Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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JB/T 7777.5-2008 Test methods for chemical analysis of silver-tin oxide-indium oxide electric contact material-Part 5:Determination of nickel zinc and indium contents 120.0 via email in 1~3 business day valid
GB/T 8320-2003 Copper-tungsten and silver-tungsten electrical contacts 250.0 via email in 1~3 business day superseded
GB 13140.2-1998 Connecting devices for low voltage circuits for household and similar purposes--Part 2: Particular requirements for connecting devices as separate entities with screw-type clamping units 255.0 via email in 1~3 business day abolished
JB/T 6326.7-2008 Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 7:Determination of carbon content 150.0 via email in 1~3 business day valid
JB/T 7776.1-2008 Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 1:Determination of cadmium content 60.0 via email in 1~3 business day valid
GB/T 5587-2016 Basic shapes,dimensions,symbols and notations of silver based electrical contacts 255.0 via email in 1~3 business day valid
JB/T 7774.5-2008 Test methods for chemical analysis of silver-zinc oxide electric contact material -Part 5:Determination of magnesium content 90.0 via email in 1~3 business day valid
GB/T 5587-2003 Basic shapes, dimensions, symbols and notations of silver based electrical contacts 180.0 via email in 1~3 business day abolished
JB/T 6237.5-2008 Test methods for chemical analysis of silver powder for electric contact material—Part 5:Determinatiln of natrium content 90.0 via email in 1~3 business day valid
GB/T 24297-2009 The test method for thermal deflection rate of spiral and helix coils of thermostat bimetal 170.0 via email in 1~3 business day valid
JB/T 6326.6-2008 Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 6:Determination of aluminum content 120.0 via email in 1~3 business day valid
JB/T 6326.2-2008 Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 2:Determination of chromium content 90.0 via email in 1~3 business day valid
JB/T 7774.4-2008 Test methods for chemical analysis of silver-zinc oxide electric contact material -Part 4:Determination of nickel content 90.0 via email in 1~3 business day valid
JB/T 7092-2008 Method for measuring basic properties of bimetal contacts 135.0 via email in 1~3 business day valid
QJ 1721.8-1989 Crimp Terminal and Joint - HZ.JZ Type Intermediate Contact 45.0 via email in 1~3 business day valid
GB/T 5586-2016 Test methods for essential property of electrical contact materials 210.0 via email in 1~3 business day valid
JB/T 6326.4-2008 Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy—Part 4:Determination of iron content 60.0 via email in 1~3 business day valid
JB/T 7776.4-2008 Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 4:Determination of tin content 60.0 via email in 1~3 business day valid
JB/T 7774.1-2008 Test methods for chemical analysis of silver-zinc oxide electric contact material -Part 1:Determination of zinc content 60.0 via email in 1~3 business day valid
GB/T 13140.1-2008 Connecting devices for low-voltage circuits for household and similar purposes - Part l: General requirements 315.0 via email in 1~5 business day superseded
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