Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services


Title Standard No. Implemented On
V. R. of Ultrasonic Test instrument of ConcreteJJG 070-2006
Verification Regulation of Weight Indication Gauge for Oil Well DrillingJJG(SY)03-1999
Load Wheel Tester for Asphalt Emulsion Slurry MixtureJJG(JT)091-2009
Verification Regulation of Dial indicator with Scale Division of 0.01 mmJJG 34-1984
O.T.N. of the Primary Standard for the Mid-frequency VibrationJJG 1261-1990
Accelerated Polishing MachineJJG(JT)054-2009
Specification for verification of capacitor parameter testers for semiconductor discrete devicesJJG(SJ)310003-2006
Verification Regulation of Voltage Transfomers of Measuring Service at Place of InstallationJJG (沪) 51-2007
The standard dynamometer leverage calibration specificationJJF 022-2006
T1201 VOR/ADF/ILS discrete function interface unitJJG(MH)0084-2005
Electrically Driven Cement Flexure Testing MachineJJG(JT)048-2004
Port Machinery-Conveyor Belt Speed DetectorsJJG 045-2004
Ironing, sublimation color fastness Calibration SpecificationJJF 031-2006
O.T.N. of the Hardness Secondary Standard for VickersJJG 1250-1990
Measurer for Liner Removal Performance of Retroreflective SheetingJJG(JT)085-2007
Electron microprobe analyzer test proceduresJJG(DZ)1017-1990
Specification for verification of DC parameter testers for semiconductor discrete devicesJJG(SJ)310002-2006
Specification for calibration of digital and vector signal generatorJJF 30903-2006
A fixed frog wear scale test proceduresJJG 187-2004
O.T.N.of Power Frequency Current Ratio Value Primary StandardJJG 1361-1990
983C infrared spectrophotometer test proceduresJJG(DZ)1013-1990
DC / DC module parametric test system test proceduresJJG(SJ)31011-2007
Technical Specification of Measurement Assurance Program for Length of Gauge BlockJJG 1045-1993
Verification Regulation of Routine Analytical Cigarette-smoking MachineJJG(YC)13-2009
Verification Regulation of Bevel ProtracterJJG 33-1979
Gauge Used in Measuring the Distance Between Acting Centres of Journal Load of Wheels - set for CoachJJG(TZ)120-2011
Test Instrument of the Train Running and Monitoring and Recording EquipmentJJG(TZ)181-2004
The amount of cigarette ends tribe wire tester test proceduresJJG(YC)22-2010
Air Micrometer for Float TypeJJG 356-1984
Apparatus for Time of Setting of Concrete Mixture by Penetration ResistanceJJG(JT)095-2009
Trial specification for verification of JS-2C model transistor reverse cut-off current testersJJG(SJ)04001-1987
O.T.N. of Specular Gloss Primary StandardJJG 1334-1990
Atomic absorption spectrophotometer test proceduresJJG(DZ)1001-1990
Wet Track Abrasion Tester for Asphalt Emulsion Slurry MixtureJJG 090-2009
Verification Regulation of Rounaness Measuring InstrumentJJG 429-1986
Meter dynamometer test proceduresJJG 787-2005
O.T.N. of 4πβ (PC)-γ Coincidence Secondary Standard of Measuring ActivityJJG 1337-1990
Inductively coupled plasma spectrometer direct reading test proceduresJJG(DZ)1015-1990
Verification Regulation of Flatness Interferometer with Isoclinic Circle FringeJJG 661-1990
Specification for verification of data line testersJJG(YD)025-1994
Black and white diffuse through the density meter calibration specificationJJF 063-2009
Terms and Definitions for Acoustical MetrologyJJF 1034-2020
Technical Specification MAP for Radion AttenuationJJG 1040-1993
Apparatus of Abrasion Resistance for Cement Mortar and ConcreteJJG 097-2009
Verification Regulation of Compensation Voltmeter JJG 254-1981
Electrocardlograph Calibration DeviceJJG 749-1991
The cigarette end tribal wire tester VRof rotary box methodJJF 044-2009
Low pressure fabric breathable meter calibration specificationJJF 039-2006
Rotating Element Current MeterJJG 001-2009
Carpet tufts aside force tester test proceduresJJG(QB)89-1992
Verification Scheme of Measuring Instruments for Specular GlossJJG 2069-1990
Automotive Chassis DynamometerJJG 063-2005
Specification for verification of CD-50 model universal bridgesJJG(SJ)05043-1991
Measuring Condenser MicrophonesJJG 175-1984
Calibration Specification for Dynamic Characteristic of Load CellJJG 1053-1996
Railway the embedded casing screw holes Measuring Tool VRofJJG 202-2010
20kV and below, the impact of full-wave voltage test device calibration specificationJJF 022-2008
Verification Regulation of Gear Tooth Vernier CaliperJJG 84-1988
Elastic element characteristics Calibration SpecificationJJF 027-2008
Verification Regulation of Roller Type Speedometer TesterJJG 909-1996
Verification Regulation of Metroscope JJG 55-1984
Shape Selector of Glass BeadsJJG (交通) 073-2007
Verification Regulation of Sampler for Airborne Particulate Matters (PM 10)JJG 659-1990
Calibration specification for fabric thickness instrumentsJJF 016-2010
Operating Technical Norm of Primary Standard of Combustion EnergyJJG 1353-1990
Clearance Detector of Rolling Stock Gauge for Standard Gauge RailwayJJG(TZ)180-2004
Operating Technical Norm for Secondary Standard for Luminous IntensityJJG 1311B-1990
Verification Regulation of Rump Type Alternate CompensatorJJG 355-1984
The sun and the climate test instrument calibration specificationsJJF 053-2006
Operating Technical Norm for Alternating Power Primary Standard from 40Hz to 15000Hz JJG 1289-1990
Calibration Spectification for Standing Wave TubesJJF 604-2007
Verification Regulation of Telephone Channel Measuring SetJJG(YD) 019-1994
Verification Scheme of Measuring Instruments for Force (≤1MN)JJG 2045-1990
Specification for verification of standard samples of radio frequency electric mediumJJG 306002-2006
Verification Regulation of Standard Cell JJG 153-1986
High voltage standard capacitor calibration specificationJJF 041-2008
Verification Regulation of Wheel Checker for Railway Locomotives and VehiclesJJG 221-1991
Horizontal method carpet burning test device test proceduresJJG(QB)94-1992
Specification for verification of AD5122 microwave group delay measuring setsJJG(SJ)01004-1989
Operating Technical Norm of Primary Standard for IlluminationJJG 1314-1990
Verification Regulation of the Leak Detector of Sulfur HexafluorideJJG 914-1996
The Technical Examination Norm for Metrology Accreditation of Testing Unit for Testing of Product QualityJJG 1021-1990
Water Transport Engineering-Gate Opening GaugeJJG(JT)026-2004
Measuring Tools for Profile of RailJJG(TZ)201-2009
Verification Regulation of The Standard Device of Vertex Power for RefractometersJJG 922-1996
O.T.N. of the Primary Standard for the Sound Pressure of Reciprocity TechniqueJJG 1269-1990
Standard of Black-white Photographic Density TabletJJG 452-1986
Apparatus for Time of Setting of Concrete Mixture by Penetration ResistanceJJG 095-2009
Verification Scheme for Measuring Instruments of Hardness Testing on Shore Scale dJJG 2006-1987
Specification for verification of wave guide reflectometersJJG(YD)008-1990
Verification Regulation for Standard DynamometersJJG 144-1982
Measurer for Adhesion Performance of Retroreflective SheetingJJG (交通) 083-2007
O.T.N. of the Primary Standard for the Vickers HardnessJJG 1249-1990
Constant speed mixer test proceduresJJG(JC)121-1998
Spring Tension and Compression Testing MachineJJG 609-1989
Elastic component fatigue testing machine calibration specificationJJF 026-2008
Calibration Specification for Electromagnetic Sensors of Rotational SpeedJJF 1871-2020
The static balancer shaft roller wheel calibration specificationJJF 051-2009
Calibration Specification for Capacitor (CJS-2,3,4) Dielectric Loss Meters JJG 136-1986
Verification Regulation of 4753880-503 Calibration Instrument for Fuel Flow System Line CheckerJJG(MH)029-1996
Verification Scheme of Measurement Machines for Wheel-Height of Railway VehiclesJJF 601.11-2006
Verification Regulation of Eddy Current Conductivity MeterJJG(MH)0092-2006
Operating Technical Norm for Gas Flow Primary Standard in the Range from 30 to 120 m3/hJJG 1228-1990
Motor temperature rise of resistance measuring instrument calibration specificationsJJF 021-2008
Asphalt Aging OvenJJG 056-2004
O.T.N. of the Secondary Standard for the Rockwell HardnessJJG 1246-1990
Verification Regulation of Metallic Rockwell Hardness Reference Blocks (Scales A, B, C, D, E, F, G, H, K, N, T)JJG 113-2003
Sandblasting hardness of machine calibration specificationJJF 045-2009
Glass softening point testerJJG(JC)136-1999
Radio frequency and microwave power measurement instrument verification system tableJJF 2009-2016
Inner and outer bearing seized a large test proceduresJJG(JB)195-1997
Verification Regulation of Secondary Standard Ionization Vacuum GaugesJJG 462-1986
Fuel flowmeter calibration specificationJJF 07-2008
YWG-872-type friction tester carpet color fastness test proceduresJJG(QB)93-1992
Watch gears, gems element of the projection model verification proceduresJJG(QB)80-1991
Verification regulation for cement mortars mixerJJG(JC)102-1999
Loop resistance tester calibration specificationJJF 075-2009
O.T.N.OF 0.633ΜM Wavelength Primary StandardJJG 1202-1990
The camera ranging accuracy and object distance scale precision calibration of the analyzer specificationJJF 062-2009
Water Transport Engineering-Vibrating Wire Steel Stress GaugeJJG(JT)035-2004
Nuclear humidity, density tester test procedures (Trial)JJG 128-1991
Pendulum fabric strength machine calibration specificationJJF 017-2006
Operating Technical Norm pH Primary StandardJJG 1356-1990
Verification Regulation of Time Interval Measuring Instrument with Needle IndicationJJG 237-1995
Verification Regulation of NAV-410L Navigation Test setJJG(MH)015-1995
O.T.N. of the Primary Standard for the Brinell HardnessJJG 1243-1990
Verification Regulation of III-mode Ultrasonic Flaw Detector for RailJJG 645-1989
O.T.N. of Superficial Rockwell Hardness Primary StandardJJG 1247-1990
Verification Regulation of the Standard long-Stem Platinum Resistance ThermometerJJG 859-1994
The Rules for Drafting Program of Pattern Evaluation of Measuring InstrumentsJJF 1016-2002
AN60-5 Portable Aircraft Weighing PlatformJJG 0062-2001
Calibration Specification for Constant Temperature Humidity ChambersJJF 060-2010
Verification Regulation of DC Comparator BridgeJJG 506-1987
Specification for verification of testing system for integrated circuit electrostatic discharge susceptibilityJJG(SJ)31001-2006
Chinese Industry StandardJJF 1030-1991
Pendulum Friction TesterJJG(JT)053-2009
Verification Regulation of Quartz Crystal Oscillator within Electronic CounterJJG 180-1978
Verification Regulation of the Standard Platinum Rhodium 10-Platinum Thermocouple JJG 75-1982
Model 01-0328-00 IDENT TONE GENERATORJJG(MH)0080-2005
Verification Regulation of Tanker Containers VolumeJJG 203-2010
Automatic Testing System of Road Braking Friction CoefficientJJG 099-2010
Verification Regulation of High Stable Quartz Crystal OscillatorJJG 181-1989
Verification Regulation of Cigarette Making Machine Cigarette Weight Microwave Detection SystemJJG 28-2010
Verification Regulation of Torque WrenchesJJG(MH)001-1993
Measuring Instruments for 500~1000K Irradiance ScaleJJG 2048-1990
Instrument for Measuring Radial Clearance of Rolling BearingJJG 470-1986
Specification for verification of leakage current testersJJG(SJ)306003-2006
Verification Scheme of Measuring Instruments for TorqueJJG 2047-1990
O.T.N. of the Primary Standard for Audiometric Zero Level of Air ConductionJJG 1280-1990
The outer attached shunt calibration specificationJJF 002-2008
Calibrater of Ultrasonic Flaw Detector for RailJJG 157-2004
Verification Regulation of Standard Condenser Microphones (Free-field Reciprocity Method)JJG 482-1987
Transmission electron microscopy test proceduresJJG(JY)12-1992
Verification Regulation of Prestressed Steal Wire Tension MachineJJG 333-1996
Textured tester calibration specificationJJF 01-2008
Operating Technical Norm of Primary Standard for 60Co γ Ray Graphite Absorption Dosimetric Calorimeter JJG 1348-1990
Metrological Terms and Their Definitions for AcousticsJJG 1034-1992
Verification Regulation for Standard DynamometersJJG 371-1985
Printing Rate Recorder (On Trail)JJG 488-1987
Bourdon Pressure Gauge for Railway Locomotives and VehiclesJJG(TZ)193-2007
Specification for verification of transistor h parameter testersJJG 310004-2006
Audio products (speakers class) power meter calibration life test specificationJJF 1023-2008
Verification Regulation of KПA-TПP1T Oil Gauge TesterJJG(MH)043-1997
Verification Regulation of Metallic standard Rockwell Hardness Test BlockJJG 113-1991
Gas chromatograph test proceduresJJG(HG)201-1991
Verification Regulation of Wrench for Measurement of TorqueJJG 707-1990
Verification Regulation of Coincidence LevelJJG 103-1988
Verification Regulation of Flame PhotometerJJG 630-1989
Digital ion meter verification proceduresJJG(DZ)1007-1990
Verification Regulation of Railway Tank Car Volume JJG 140-1991
Port Machinery-Digital Angle DetectorsJJG(JT)042-2004
Verification Regulation of ThermocoupleJJG 351-1984
Verification Regulation of Measurer for Liner Removal Performance of Retroreflective Sheeting JJG (交通) 085-2007
Household refrigerating appliances I detector test proceduresJJG(QB)97-1993
Technical Specification of MAP for Properties of Magnitic MaterialsJJG 1041-1993
Verification Regulation of Audio-frequency Signal GeneratorJJG 607-1989
Verification Regulation of Thermomagnetic Oxygen AnalyzersJJG 662-1990
Detector for Alcoholic Quantity from Breathing-out GasJJG 657-1990
Bimetallic ThermometerJJG 226-1989
Verlfication Regulation of Single-Flank Gear Rolling TesterJJG 95-1961
Specification for verification of microwave system analyzersJJG(YD)007-1990
Float-type Stage GaugeJJG(SL)002-2009
Port Machinery-Digital Load Moment LimitersJJG 044-2004
O.T.N. of Temperature Primary Standard in the Range from 12.81 to 273.15KJJG 1215-1990
The Y201A type lap uniformity machine calibration specificationJJF 005-2006
The Wheel Field Balancing EquipmentJJG(JT)011-2005
Speedmeter of TrainJJG(TZ)132-2005
Verification regulation for cement electrically driven flexue testing machineJJG(JC)101-1999
Digital Aerial Photographic CamerasJJG(测绘)3401-2013
Drilling Fluid Density MeterJJG石油15-1991
Electron spectrometer test proceduresJJG(JY)09-1992
Acoustic chamber performance verification proceduresJJG(CB)10-1994
Verification Regulation of Gas Roots FlowmeterJJG 633-1990
Underwater acoustic pulse tube measuring device test proceduresJJG(CB)8-1991
Evaluation of Uncertainty in Measurement for Parameter of Physical Characteristics of Cigarette Paper. Part 2: Air PermeabilityJJF 2.2-2008
O.T.N. for Primary Standard of Magnetic InductionJJG 1294-1990
Automatic Testing System of Twin-wheel Sideway Force CoefficientJJG(JT)100-2010
Evaluation of Uncertainty in Measurement for Parameter of Physical Characteristics of Cigarettes. Part 4: HardnessJJF 1-2007
Operating Technical Norm of Primary Standard for Total Luminous Flux JJG 1312-1990
Operating Technical Norm of Contingent Primary Standard for Alternating-current Electrical Energy JJG 1290-1990
Microscope test proceduresJJG(JY)14-1992
A DTM type digital milliseconds calibration specificationJJF 065-2009
Calibration Specification for Ventilated Textile OvenJJF 059-2010
Electronic control logger test proceduresJJG(JB)199-1997
The tobacco processing of online moisture meter VRofJJG 29-2011
Verification Regulation of SR24490A Air Data Navigation Instrument TesterJJG(MH)025-1996
Verification Regulation of Mine Dust SamplerJJG(MT)03-1996
IBD leakage protection tester calibration specificationJJF 067-2009
O.T.N. of 4πβ(LS) Radioactivity Primary StandardJJG 1338-1990
Port Machinery-Secondary Meter for Load CellsJJG(JT)043-2004
Water Transport Engineering - Gate Opening GaugeJJG 交通 026-2004
Washing machine parameter tester calibration specificationJJF 020-2008
Verification Scheme of Measuring Instruments for IlluminanceJJG 2032-1989
CTS-700 SELCAL/ATSCALL Test SetJJG(MH)0064-2001
The Y331 type yarn twist machine calibration specificationJJF 013-2006
Verification Regulation of Light-Section MicroscopeJJG 76-1980
Verification Regulation of Table BalanceJJG 156-1983
Specification for verification of XJ4245 model stereo oscilloscopesJJG(SJ)03006-1989
Verification Regulation of Special Measurement tools for Bogie Structure of Railway Passenger CarsJJG(TZ)170-1998
verification Regulation of Wide Range Dial Gauges Reading in 0.01mmJJG 379-1985
Verification Regulation of Resistance Strain Gauge IndicatorsJJG 623-1989
Operating Technical Norm of the Primary Standard for Low Frequency Vibration in Horizontal Direction JJG 1264-1990
O.T.N. of the Primary Standard for the 1×1000000N Force Standard MachineJJG 1235-1990
Verification Regulation of ИВП Ouput Parameter Test SetJJG(MH)035-1996
Verification Regulation of Bank Checking Module Test Bench“ПAП-32”JJG(MH)039-1996
Verification Regulation of Modulation MeterJJG 437-1989
3000kN rail static bending test machine test proceduresJJG 148-1994
Fabric shrinkage testing machine calibration specificationJJF 054-2006
Load Wheel Tester for Asphalt Emulsion Slurry MixtureJJG 091-2009
Impulse voltage measuring system calibration specificationJJF 074-2009
SDH / PDH digital transmission analyzer VRofJJG 044-2006
Specification for verification of medium frequency testersJJG(YD)017-1992
O.T.N. of Laser Small Angle Inteferometer Primary StandardJJG 1209-1990
Verification scheme of radiation thermometersJJG 2004-1987
Dose Assurance Monitoring Method for γ-Ray Radiation Processing LevelJJG 1020-1990
Verification Regulation of Standard Glass Hydrometers JJG 86-1986
Verification Regulation of Load CellJJG 391-1985
Leveraged oedometer test proceduresJJG(DZ)1020-1990
Verification Regulation of Routine Capillary ViscometerJJG 155-1979
Operating Technical Norm of Primary Standard Fo Absorbed Dose in Graphite for 60Co Gamma Rays with Ionization Chamber MethodJJG 1371-1995
O.T.N. of Sound Pressure Primary Standard for Low Frequency 1~2000Hz Underwater SoundJJG 1275-1990
TCAS-201 Traffic Alert and Collision Avoidance System Ramp Test SetJJG(MH)0070-2004
Standard Method for Using the Potassium(Silver) Dickromate Dosimeter to Measure γ-Ray Absorbed Dose in WaterJJG 1018-1990
Verification Regulation of Digital Temperature Test Set Model TT-1000AJJG(MH)0056-2000
RF and Microwave Power Measuring InstrumentsJJG 2009-2016
Verification Regulation for Calibrator of Standard Analogue Strain QuantityJJG 533-1988
Verification Scheme of Portable Infrared Ray Temperature Measurement Tool of RailwayJJF 601.12-2006
Frequency Meter Used IndicatorJJG 603-1989
O.T.N. of Primary Standard for Pendulum Impact Energy(Charpy)JJG 1282-1990
Medical Diagnostical x Ray Radiation SourceJJG 744-1991
The yarn hairiness instrument calibration specificationJJF 040-2006
O.T.N. for Gas Flow Primary Standard in the Range from 0.3~3m3hJJG 1226-1990
Verification Regulation of Model 4TSJ60B00002 INS Navigation TesterJJG 0060-2000
Verification regulation for metallographic microscopeJJG(JY)012-1996
Verification Regulation of Small Angle Tester JJG 300-1982
Verification scheme of thermocouplesJJG 2003-1987
Specification for Comparison of Measuring InstrumentJJG 1117-2004
Hotbox reported for bus tester verification proceduresJJG 151-1994
Specification for verification of absolute spectral response rate of photodetectorsJJG(SJ)30902-2006
Water Transport Engineering-Gate Opening GaugeJJG 026-2004
Oedometer test proceduresJJG(DZ)1026-1994
UV / Vis spectrophotometer test proceduresJJG(DZ)1002-1990
Verification Regulation of Digital Temperature Test Set Model TT-1000AJJG 0056-2000
Rules of Metrology Testing for Energy Efficiency Label of Variable-speed Room Air ConditionersJJF 30301-2006
Fabric Pilling ball instrument calibration specificationsJJF 033-2006
Verification Regulation of Cut Tobacco Filling Value TesterJJG 25-2010
O.T.N. of the Secondary Standard for the Vertical Low-frequency VibrationJJG 1266-1990
Verification Regulation of Test Bench “ПП-25”JJG(MH)047-1999
Verification Regulation of Length Measuring MachineJJG 54-1984
Universal pulse generator test proceduresJJG(SJ)15023-1991
Air Entrainment Meter of Freshly Mixed Concrete by The Volumetric MethodJJG 094-2009
Operating Technical Norm of Primary Standard for Electroacoustical Free Field Acoustical Pressure JJG 1271-1990
Tobacco and Tobacco Products. Evaluation of Uncertainty in Measurement for Routine Chemical Ingredients Using Continuous Flow Method. Part 3: Total NitrogenJJF 4.5-2010
Carpet quadruped stampede tester test proceduresJJG(QB)90-1992
Wet Track Abrasion Tester for Asphalt Emulsion Slurry MixtureJJG(JT)090-2009
Verification Regulation of Detecting Instrument for Threshed Tobacco-Part 1: Stacked Sieve ShakerJJG(YC)23.1-2009
Verification Regulation of Horizotal Spiral Blade Water MeterJJG 258-1988
Provisional Regulation of Verification of Microwave System AnalyzerJJG(YD) 007-1990
Roll-foot test proceduresJJG(JB)194-1997
To crimp elastic Calibration SpecificationJJF 042-2006
Verification Regulation of Turbine FlowmeterJJG 1037-2008
Verification Regulation of Optical ClinometerJJG 104-1986
V.R. of Photoelectric Colorimeter within FilterJJG 179-1981
Conservation and atmospheric high-pressure autoclave curing box test proceduresJJG(JC)119-1998
Technical Norm of Machine Scale RemakeJJG 1025-1991
Evaluation of Uncertainty in Measurement for Parameter of Physical Characteristics of Cigarette Paper. Part 3: Tensile Energy AbsorptionJJF 2.3-2008
Spectrum analyzer test proceduresJJG(YD)046-2002
Verification Regulation of Colori-meter and Color Differences Meter JJG 595-1989
Apparatus for Softening Point of BitumenJJG(JT)057-2004
O.T.N. for Primary Standard of Low Light Level at the 10~0.000001 LuxJJG 1316-1990
Verification Regulation of Detecting Instrument for Threshed Tobacco-Part 1: Stacked Sieve ShakerJJG 23.1-2009
A falling weight fabric tear Calibration specificationJJF 051-2006
Verification Regulation of Bore Dial IndicatorJJG 36-1989
Secondary Standard Mercury BarometerJJG 614-1989
O.T.N. of Primary Standard of ViscosityJJG 1354-1990
Steering Force-Steeting Angle Tester of Motor CarJJG 007-2005
Verification Regulation of Measurer for Longitudinal Impact Accelerograph of CoachJJG(TZ)168-1998
Port Machinery-Digital Angle DetectorsJJG 042-2004
The Rules for Adoption of International Metrological SpecificationsJJF 1868-2020
Abrasives Rockwell hardness tester calibration specificationJJF 050-2009
Water Transport Engineering-Unbonded Elastic Wire Resistance Pressure CellJJG 041-2004
Eddy Current Conductivity MeterJJG(民航)0092-2006
Handling and stability tester calibration specificationJJF 02-2008
Verification Regulation of Medium Level Laser Power MeterJJG 293-1982
Alternating-Current Electrical Energy Meters for Electric LocomotiveJJG 182-2004
Verification Regulation of Angular PolygonJJG 283-1981
Verification Regulation of Nuclear Density and Moisture GageJJG(JT)068-2006
The Y412A type of raw cotton moisture meter calibration specificationJJF 007-2006
Air Entrainment Meter of Freshly Mixed Concrete by The Volumetric MethodJJG(JT)094-2009
Compressor cooling capacity test equipment calibration specificationJJF 073-2009
Four-piston-type fuel meter verification procedures linkage (Trial)JJG(JT)009-1997
Verification Regulation of Electrolytic Conductivity MetersJJG 376-1985
Verification Scheme of Measuring Instruments for Luminous IntensityJJG 2034-1989
The railway branch from the ulnar test is VRofJJG 188-2005
Rules for measuring guide post position of bogieJJG 199-2009
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