Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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JJF 1220-2009 Calibration Specification for PIND (Particle Impact Noise Detection) 240.0 via email in 1~3 business day valid
GB/T 18776-2002 Tolerance dimensions--Conversion form inches into millimetres and vice versa 110.0 via email in 1~3 business day valid
GB/T 26206-2010 Injecting water foot massager 230.0 via email in 1~3 business day abolished
GB/T 4994-2015 Iron/Copper-Nickel(Constantan) thermocouple wires 210.0 via email in 1~3 business day valid
GB/T 1217-2004 Micrometer for measuring root tangent lengths of gear teeth 60.0 via email in 1~3 business day valid
JJG 704-2005 Verification Regulation of Callipers for Welding Inspection 240.0 via email in 1~3 business day valid
GB/T 4130-2000 Acoustics--Low frequency calibration methods of hydrophones 225.0 via email in 1~3 business day abolished
GB 12085.4-1989 Optics and optical instruments-Environmental test methods-Salt mist 105.0 via email in 1~3 business day abolished
JJF 1246-2010 General Rules for the Examination of the certificate of Manufacture Metrological Appliance 720.0 via email in 1~8 business day valid
GB/T 22157-2018 Acoustics—Specification of test tracks for measuring noise emitted by road vehicles and their tyres 700.0 via email in business day to be valid
HG/T 4176-2011 three eccentric butterfly valve pneumatic general technical conditions 90.0 via email in 1~3 business day valid
JB/T 9286-1999 Wattmeters and varmeters 210.0 via email in 1~3 business day valid
GA/T 1064-2013 Calibration specifications for X-ray generator aging testers 180.0 via email in 1~3 business day valid
GB/T 1227-1986 Accurate pressure gauges 180.0 via email in 1~3 business day abolished
GB/T 15446-2008 Terminology relating to radiation processing dosimetry 645.0 via email in 1~5 business day valid
GB/T 21230-2007 Acoustics - Guidelines for the measurement and assessment of exposure to noise in a working environment 360.0 via email in 1~3 business day superseded
JJG (沪) 51-2007 Verification Regulation of Voltage Transfomers of Measuring Service at Place of Installation 180.0 via email in 1~3 business day valid
JB/T 10923-2010 Latching relay for electronic watt-hour meters 225.0 via email in 1~3 business day valid
GB/T 28848-2012 Intelligent gas flow meter 870.0 via email in 1~3 business day valid
GB/T 8910.2-1988 Measurement of vibrations in rock drilling machines and pneumatic tools--Measurement for percussive machines 180.0 via email in business day abolished
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