Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 17473.6-1998 Test methods of precious metal pastes used for thick film microelectronics--Determination of resolution $75.00 via email in 1~3 business day abolished
GB/T 17473.7-1998 Test methods of precious metal pastes used for thick film microelectronics--Test of solderability and solderleaching resistance $75.00 via email in 1~3 business day abolished
GB/T 18032-2000 The inspecting method of AB microscopic defect in gallium arsenide single crystal $90.00 via email in 1~3 business day valid
GB/T 18036-2000 The test method of thermo-emf for platinum rhodium thermocouple thin wires $160.00 via email in 1~3 business day abolished
GB/T 18502-2018 Critical current measurement—DC critical current of Ag-and/or Ag alloy-sheathed Bi-2212 and Bi-2223 oxide superconductors $250.00 via email in 1~3 business day valid
GB/T 18876.1-2002 STANDARD practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 1: Determining the inclusion o $160.00 via email in 1~3 business day abolished
GB/T 18876.1-2024 Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis—Part 1: Determining the inclusion or second-phase constituent content of steels and other metals by automatic image analysis and stereology $270.00 via email in 1~3 business day valid
GB/T 18876.2-2006 Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 2: Determining the inclusion ra $300.00 via email in 1~3 business day abolished
GB/T 18876.2-2024 Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis—Part 2: Determining the inclusion ratings of steels by automatic image analysis and stereology $315.00 via email in 1~5 business day valid
GB/T 18876.3-2008 Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 3: Determining the carbides rating in steels by automatic image analysis and stereology $250.00 via email in 1~3 business day valid
GB/T 19289-2003 Methods of measurement of density,resistivity and stacking factor of electrical steel sheet and strip $120.00 immediately superseded
GB/T 19346-2003 Measuring method of magnetic properties at alternative current for amorphousand nanocrystalline soft magnetic alloys $244.00 via email in 1~3 business day superseded
GB/T 1979-2001 STANDARD diagrams for macrostructure and defect of structural steels $60.00 immediately valid
GB/T 19921-2005 Test method of particles on silicon wafer surfaces $120.00 via email in 1~3 business day superseded
GB/T 19922-2005 Standard test methods for measuring site flatness on silicon wafers by noncontact scanning $150.00 via email in 1~3 business day valid
GB/T 21546-2008 Critical current measurement - DC critical current of Nb-Ti composite superconductors $280.00 via email in 1~5 business day valid
GB/T 22638.1-2008 Test methods for aluminium and aluminium alloy foils - Part 1: Determination of thickness by gravimetric method $105.00 via email in 1~3 business day superseded
GB/T 22638.1-2016 Test methods for aluminium and aluminium alloy foils―Part 1:Determination of thickness $150.00 immediately valid
GB/T 22638.10-2008 Test methods for aluminium and aluminium alloy foils - Part 10: Determination of mass per unit area (surface density) of coatings $105.00 via email in 1~3 business day superseded
GB/T 22638.10-2016 Test methods for aluminium and aluminium alloy foils―Part 10:Determination of mass per unit area(surface density) of coatings $100.00 immediately valid
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