Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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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 13140.5-2008 Connecting devices for low-voltage circuits for household and similar purposes - Part 2: Particular requirements for twist-on connecting devices 255.0 via email in 1~3 business day valid
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 5587-2016 Basic shapes,dimensions,symbols and notations of silver based electrical contacts 255.0 via email in 1~3 business day valid
GB 13140.5-2008 Connecting devices for low-voltage circuits for household and similar purposes - Part 2: Particular requirements for twist-on connecting devices 230.0 via email in 1~3 business day valid
GB 13140.2-2008 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 un 230.0 via email in 1~3 business day valid
QJ 1721.17-1989 45.0 via email in 1~3 business day valid
GB/T 24271-2009 Specification for strip component of thermostat metals 110.0 via email in 1~3 business day valid
GB/T 24298-2009 Standard test method for cross curvature of thermostat metals 170.0 via email in 1~3 business day valid
GB/T 5587-1985 Basic shapes dimensions symbols and notations of silver based electrical contacts 270.0 via email in 1~3 business day abolished
JB/T 7778.4-2008 Test methods for chemical analysis of silver-tungsten carbide electric contact material-Part4:Determintion of free carbon content 60.0 via email in 1~3 business day valid
MT 961-2005 Fiber-reinforced plastics cable support rack in coal mine 105.0 via email in 1~3 business day abolished
GB/T 24272-2009 Test method for mechanical torque rate of spiral coils of thermostat metal 110.0 via email in 1~3 business day valid
GB/T 8320-2017 Copper-tungsten and silver-tungsten electrical contacts 255.0 via email in 1~3 business day valid
JB/T 7117-2008 Technical specification for high resistance alloys(Φ<0.20mm)of electrical heating 120.0 via email in 1~3 business day valid
GB/T 18290.2-2000 Solderless connections - Part 2: Solderless crimped connections - General requirements, test methods and practical guidance 450.0 via email in 1~3 business day superseded
JB/T 6237.10-2008 Test methods for chemical analysis of silver powder for electric contact material—Part 10:Determinatiln of silver nitrate content 60.0 via email in 1~3 business day valid
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
QJ 1721.9-1989 Crimp Terminal and Joint - UD.L Type Terminal 60.0 via email in 1~3 business day valid
JB/T 7776.3-2008 Test methods for chemical analysis silver-cadmium oxide electric contact material—Part 3:Determination of nickel content 90.0 via email in 1~3 business day valid
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