Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 4728.12-2008 Graphical Symbols for Diagrams - Part 12: Binary Logic Elements 760.0 via email in 1 business day valid
GB/T 2423.27-2005 Environmental testing for electric and electronic products - Part 2: Test Methods Test Z/AMD: Combined sequential cold, low air pressure and damp heat test 60.0 via email in 1~3 business day valid
DL/T 474.1-2006 Guide for insulation test on site insulation resistance、 dielectric absorption ratio and polarization index test 120.0 via email in 1~3 business day valid
GB/T 2423.18-2012 Environmental testing - Part 2: Test methods - Test Kb: Salt mist, cyclic (sodium chloride solution) 110.0 via email in 1~2 business day valid
GB/T 5169.25-2008 Fire hazard testing for electric and electronic products - Part 25: Smoke obscuration - General guidance 285.0 via email in 1~3 business day valid
GB/T 5169.20-2013 Fire Hazard Testing for Electric and Electronic Products - Part 20: Surface Spread of Flame - Summary and Relevance of Test Methods 370.0 via email in 1~3 business day valid
GB/T 20635-2006 Special environment condition - Technical requirements of high voltage apparatus used for plateau 120.0 via email in 1~3 business day valid
GB/T 4728.13-2008 Graphical Symbols for Diagrams - Part 13: Analogue Elements 200.0 via email in 1 business day valid
GB 5170.18-1987 Inspection methods for basic parameters of environmental testing equipments for electric and electronic products; Composite temperature/humidity cyclic testing equipments via email in business day abolished
GB/T 13394-1992 Letter symbols to be used in electrical technology －Symbols for quantities to be used for rotating electrical machines 90.0 via email in 1~3 business day valid
GB/T 2424.15-1992 Basic environmental testing procedures for electric and electrinic products Guide for combined temperature/low air pressure tests 75.0 via email in 1~3 business day abolished
DL/T 474.4-2006 Guide for insulation test on site AC voltage withstanding test 140.0 via email in 1 business day valid
GB/T 5169.1-2007 Fire hazard testing for electric and eletronic products—Part 1:Terminology concerning fire tests 300.0 via email in 1~3 business day superseded
GB/T 2681-1981 Colours of insulated conductors used in electrical assembly devices 45.0 via email in 1~3 business day abolished
DL/T 1194-2012 Power Quality Terms 660.0 via email in 1~3 business day valid
GB/T 2423.1-2001 Environmental testing for electric and electronic and electronic products--Part 2:Test methods--Tests A:Cold 300.0 via email in 1~5 business day abolished
GB/T 2424.7-2006 Environmental tests for electric and electronic products - Measurements in temperature chambers for tests A and tests B (with load) 90.0 via email in 1~3 business day valid
GB/T 2900.62-2003 Electrotechnical terminology--Primary cells and batteries 195.0 via email in 1~3 business day abolished
GB/T 16700-1996 Standard frequencies for centralized network control installations 30.0 via email in 1~3 business day valid
GB/T 29309-2012 Accelerated stress testing procedures for electric and electronic products—Guidance for highly accelerated life test 330.0 via email in 1~3 business day valid
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