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Title Standard No. Implemented On
Top pole HB 862-19901990-12-1
No-parallax handle upper fastening vernier caliper (≤150mm, ≤6in)HB 4459-19901990-12-1
MJ threaded ordinary hexagonal nut with protective holeHB 6413-19901990-12-1
Roller lower fastening integral vernier caliper (≤200mm, ≤8in)HB 4457-19901990-12-1
MJ threaded ordinary hexagonal nut with protective holeHB 6416-19901990-12-1
Movable Working Stools (Without Drawings)HB 4445-19901990-12-1
Veneering scribed line for noparallax vernier caliper (≤300mm,≤12in)HB 4489-19901990-12-1
Aircraft goods steel dog HB 6389-19901991-2-1
Roller upper fastening integral vernier caliper (≤200mm, ≤8in)HB 4456-19901990-12-1
Guide pillar HB 814-19901990-12-1
Inching nutHB 4471-19901990-12-1
MJ threaded ordinary hexagonal nutHB 6404-19901990-12-1
C type Guide SleeveHB 4421-19901990-12-1
Specifications for process to manufacture durable aluminum honeycomb core materials by tension method HB/Z 158-19901990-12-1
Precious alloy heat treatment process description for elastomeric parts HB/Z 161-19901990-12-1
High temperature alloy argon tungsten arc process HB/Z 164-19901990-12-1
Heat Treatment of Magnesium Alloy CastingHB 5462-19901991-1-1
Handle upper fastening vernier caliper (≤150mm, ≤6in)HB 4449-19901990-12-1
Limits and fits for products of wood and wooden materialsGB/T 12471-19901991-10-1
Machine and Hand Taps Used for Machining High-strength Steel Through-hole MJ Threads - d = 5~39 mm, p=0.8~2mm HB 4499-19901990-12-1
Rectangular model HB 1942-19901990-12-1
Retainer PinsHB 4434-19901990-12-1
Recognized specifications for civil metal materials by supplier HB/Z 157-19901990-12-1
Inching integral vernier caliper (≤300mm, ≤12in)HB 4452-19901990-12-1
Casting aluminium alloys smelting HB/Z 160-19901990-12-1
Machine and Hand Taps Used for Machining Titanium Alloy Through-hole MJ Threads - d = 5~22 mm, p=0.8~1.5mm HB 4446-19901990-12-1
Aircraft goods mooring double seater joint HB 6393-19901991-2-1
Digital test of performance parameters of aircraft power supply system HB 6448-19901991-2-1
Backing pin screw HB 4478-19901990-12-1
Classification methods of files in aviation industry HB 6446-19901990-12-1
Handle upper fastening integral vernier caliper (≤150mm, ≤6in)HB 4453-19901990-12-1
Handle lower fastening integral vernier caliper (≤150mm, ≤6in)HB 4454-19901990-12-1
Aircraft circuit function code and wire color HB 6386-19901990-12-1
Thread top poleHB 863-19901990-12-1
Technical Specifications for Cylindrical Helical Compression and Extension Springs Made of Stainless Steel Wire HB 5869-19901990-12-1
MJ threaded ordinary hexagonal nutHB 6399-19901990-12-1
Method of test for explosion limits of combustible gases in airGB/T 12474-19901991-9-1
Regulations on Classifications of Vernier Caliper QualitiesHB 4497-19901990-12-1
B type Guide SleeveHB 4420-19901990-12-1
Scribed line for noparallax upper vernier (≤300mm, ≤12")HB 4495-19901990-12-1
Scribed line for noparallax lower vernier (≤300mm, ≤12")HB 4494-19901990-12-1
Cold-rolled Spring Steel Strips of GH 696 Alloy HB 5466-19901991-2-1
MJ threaded ordinary hexagonal nut with protective holeHB 6414-19901990-12-1
Aircraft goods mooring net HB 6395-19901991-2-1
Single Punch PadsHB 4427-19901990-12-1
Circular Templates HB 4425-19901990-12-1
Technical specification for aircraft goods mooring belt HB 6398-19901991-2-1
Manufacturing process of powder metallurgy copper baseporous bearing HB/Z 163-19901990-12-1
Upper die base of steel mold for guide pillars after cold-punching mould HB 807-19901990-12-1
Cylindrical helical extension spring made of stainless steel wire HB 5868-19901990-12-1
Adjusting screw HB 4479-19901990-12-1
MJ threaded ordinary hexagonal nut with protective holeHB 6411-19901990-12-1
Guide bush HB 816-19901990-12-1
Lower die base of cast iron mold for cold-punching mould center pillars HB 1936-19901990-12-1
Headless screw HB 866-19901990-12-1
Scribed line for dial caliper (≤300mm, ≤12in)HB 4490-19901990-12-1
Roller HB 4473-19901990-12-1
Surface roughness-Parameters and their values for wooden piecesGB/T 12472-19901991-10-1
Lower die base of cast iron mold for diagonal pillars after cold-punching mould HB 1934-19901990-12-1
MJ threaded ordinary hexagonal nutHB 6409-19901990-12-1
Fluxes for the submerged arc welding of low alloy steelGB/T 12470-19901991-10-1
Whorl model handle HB 820-19901990-12-1
Hexalobular Socket Stripper BoltsHB 4439-19901990-12-1
Verification Regulation of Electronic LevelJJG 712-19901991-3-1
Measuring Instruments for 14MeV Neutron Absorbed DoseJJG 2080-19901991-3-1
Antitoxic regulations for storage-transportation, marketing and use of pesticidesGB 12475-19901991-9-1
Environmental guideline for air-launched weapon HB 6428-19901990-12-1
Textiles-Testing method for colour fastness to wet scrubbingGB/T 420-19901991-6-1
Upper die base of steel mold for cold-punching mould center pillars HB 809-19901990-12-1
MJ threaded ordinary hexagonal nutHB 6408-19901990-12-1
Blank diameter of MJ thread before rolling HB 6387-19901990-12-1
Technical Specification for Machine and Hand Taps Used for Machining Titanium Alloy Through-hole MJ ThreadsHB 4447-19901990-12-1
StopperHB 4423-19901990-12-1
Gas Cylinder Transport Vehicles (Without Drawings)HB 4443-19901990-12-1
HandleHB 4470-19901990-12-1
Upper die base of cast iron mold for guide pillars after cold-punching mould HB 1933-19901990-12-1
Cold punching mould base and its technical conditionsHB 893-19901990-12-1
Cylindrical helical compression spring made of stainless steel wire HB 5866-19901990-12-1
MJ threaded ordinary hexagonal nutHB 6407-19901990-12-1
Spherical Joint of Wire Rope Fixed on Fan-shaped Component HB 5-19-19901991-2-1
Guideline for preparation of civil aviation product quality control procedure HB/Z 168-19901990-12-1
Flat head large fillet rivetHB 6426-19901990-12-1
Design and manufacture of cylindrical spiral compression spring and extension spring made of carbon alloy wires HB/Z 18-19901990-12-1
Rain proof performance test method for busesGB/T 12480-19901991-6-1
Self-lock hook HB 4469-19901990-12-1
Regulations on Classifications of Dial Caliper QualitiesHB 4498-19901990-12-1
MJ threaded ordinary hexagonal nut with protective holeHB 6412-19901990-12-1
General code for automatic parachute unlocking device HB 6432-19901990-12-1
Lower die base of steel mold for guide pillars after cold-punching mould HB 806-19901990-12-1
MJ threaded ordinary hexagonal nut with protective holeHB 6415-19901990-12-1
Aircraft goods mooring belt hook HB 6391-19901991-2-1
No-parallax handle lower fastening vernier caliper (≤150mm, ≤6in)HB 4460-19901990-12-1
Aircraft goods mooring adjustment hook HB 6390-19901991-2-1
Spherical Joint of Single-handle Wire Rope HB 5-18-19901991-2-1
Single Punch RetainersHB 4426-19901990-12-1
Technical specification for aircraft goods mooring net HB 6396-19901991-2-1
Cold-rolled Sheets of GH 696 Alloy HB 5465-19901990-12-1
Characteristics, Single-piece Classification and Quality Control Principle for Aviation ProductsHB 5842-19901990-12-1
CageHB 4422-19901990-12-1
Whorl push rod HB 1944-19901990-12-1
Open-type single-gear dial caliper (≤300mm, ≤12in) HB 4466-19901990-12-1
General specification for heading attitude reference system HB 6435-19901990-12-1
Closed single-gear dial caliper (≤300mm, ≤12in) HB 4467-19901990-12-1
Food additive Modified soybean phospholipidGB 12486-19901991-6-1
General specification for installation of aircraft lighting equipment HB 6430-19901990-12-1
Component control outline HB 6429-19901990-12-1
Metric/Inch scribed line for integral vernier (≤300mm, ≤12")HB 4493-19901990-12-1
No-parallax roller lower fastening vernier caliper (≤200mm, ≤8in)HB 4463-19901990-12-1
Measuring Instruments for Metallic Superficial Rockwell HardnessJJG 2068-19901990-9-1
Techinical conditions for cold punching mould partsHB 892-19901990-12-1
Cylindrical head unloading screw HB 867-19901990-12-1
Dust proof performance--Test method for busesGB/T 12478-19901991-6-1
Spherical Joint of Wire Rope HB 5-17-19901991-2-1
Type-C pilot pin HB 857-19901990-12-1
Type-D pilot pin HB 858-19901990-12-1
Food additive-Morpholine fatty acid salt fruit waxGB 12489-19901991-6-1
Nameplate HB 4475-19901990-12-1
Horizontal Operation Vehicles (Without Drawings)HB 4442-19901990-12-1
Self-locking integral vernier caliper (≤150mm, ≤6in)HB 4455-19901990-12-1
Scribed line for lower vernier (≤300mm, ≤12")HB 4491-19901990-12-1
Supporting Mechanism with Hinge JointsHB 4438-19901990-12-1
Food additive―Ethyl maltolGB 12487-19901991-6-1
Lower die base of steel mold for cold-punching mould center pillars HB 808-19901990-12-1
Cylindrical helical extension spring made of stainless steel wire HB 5867-19901990-12-1
A type Guide SleeveHB 4419-19901990-12-1
Recognized specifications for production process of metal materials for civil aircraft HB/Z 166-19901990-12-1
General specification for airborne forward looking infrared system HB 6431-19901990-12-1
Inching buoy caliper (≤300mm, ≤12in)HB 4448-19901990-12-1
Manufacturing process of powder metallurgy copper base clutch friction plate HB/Z 162-19901990-12-1
Turning rolls HB 4474-19901990-12-1
Universal Mountings (Without Drawings)HB 4444-19901990-12-1
Rolling Independent Guide Devices HB 4441-19901990-12-1
Inching nutHB 4472-19901990-12-1
Wooden boxesGB/T 12464-19901991-6-1
No-parallax self-locking vernier caliper (≤150mm, ≤6in) HB 4461-19901990-12-1
Limited PostsHB 4437-19901990-12-1
Scribed line for vernier caliper (≤300mm, ≤12in)HB 4488-19901990-12-1
Upper die base of cast iron mold for cold-punching mould center pillarsHB 1937-19901990-12-1
Top plate HB 864-19901990-12-1
No-parallax inching vernier caliper (≤300mm, ≤12in)HB 4458-19901990-12-1
Cold-drawn Bar of GH 696 Alloy HB 5464-19901991-2-1
Industrial furnace cement refractory pouring material technical specification for winter construction of CECS27: 90CECS 27-19901990-9-29
Shoulder-free small guide pillarHB 815-19901990-12-1
Retainer Pin with HolesHB 4435-19901990-12-1
MJ threaded ordinary hexagonal nut with protective holeHB 6402-19901990-12-1
Upper die base of cast iron mold for diagonal pillars after cold-punching mould HB 1935-19901990-12-1
General technical specification for aircraft rocket control box HB 6439-19901990-12-1
Self-locking frame HB 4468-19901990-12-1
No-parallax roller upper fastening vernier caliper (≤200mm, ≤8in)HB 4462-19901990-12-1
Cold Wiredrawing of GH 696 AlloyHB 5467-19901991-2-1
General requirements for aircraft lighting color and signal color HB 6441-19901990-12-1
Circular model HB 813-19901990-12-1
Defect Type and Test Block of Metallic Honeycomb Cementing Structure HB 5461-19901990-12-1
General specification for aircraft external lighting equipment HB 6440-19901990-12-1
Low voltage shunt capacitors of the self-healing typeGB/T 12747-19911991-10-1
Guideline for compliance inspection of civil aviation product manufacture HB/Z 169-19901990-12-1
Fluxes for the submerged arc welding of low alloy steelGB 12470-19901991-10-1
Sheet material blanking clearance HB/Z 167-19901990-12-1
Cylindrical helical compression spring made of stainless steel wire HB 5865-19901990-12-1
Cold-punching sliding guide cast iron mold diagonal guide pillar cast iron mold HB 1946-19901990-12-1
Inching frame HB 4476-19901990-12-1
Lower die base of cast iron mold for guide pillars after cold-punching mould HB 1932-19901990-12-1
Sliding Independent Guide Devices HB 4440-19901990-12-1
Aircraft goods mooring single seater joint HB 6392-19901991-2-1
Groove-shaped Retainer Pins HB 4436-19901990-12-1
Measuring Instruments for Thermal Neutron Fluence RateJJG 2081-19901991-3-1
Fillister head screw HB 4480-19901990-12-1
Textiles--Testing mesting method for colour fastness to domestic and commercial launderingGB/T 12490-19901991-6-1
Cold Die Rolling Guide Steel Frame Center Guide Pillar Steel FrameHB 4409-19901990-12-1
General requirements for test of aircraft power generation and control equipment HB 6447-19901990-10-1
Type-E pilot pin HB 860-19901990-12-1
Flat head large fillet rivetHB 6427-19901990-12-1
General Rule of Measuring Instrument Product Quality ClassificationsHB 4496-19901990-12-1
General specifications for transport packages of dangerous goodsGB 12463-19901991-6-1
Rewinding stop gauge HB 1943-19901990-12-1
Fastening screwHB 4477-19901990-12-1
Technical specification for aircraft goods mooring hook and joint HB 6394-19901991-2-1
Geological instruction of talc deposit explorationGB 12485-19901991-9-1
Scribed line for upper vernier (≤300mm, ≤12")HB 4492-19901990-12-1
Fatigue bending test of aircraft hydraulic pipe and connection pieces HB 6442-19901991-2-1
Aircraft goods mooring belt HB 6397-19901991-2-1
Recognized specifications for forging production process for civil aircraftHB/Z 165-19901990-12-1
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