Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
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GB/T 37049-2018 Test method for the content of metal impurity in electronic grade polysilicon—Inductively coupled-plasma mass spectrometry method $165.00 via email in 1~3 business day valid
GB/T 4058-1995 Test method for detection of oxidation induced defects in polished silicon wafers $340.00 via email in 1~3 business day abolished
GB/T 4059-1983 Polycrystalline silicon; Examination method; Zone-melting on phosphorus under controlled atmosphere $224.00 via email in 1~3 business day superseded
GB/T 4060-1983 Polycrystalline silicon; Examination method; Vacuum zone-melting on boron $184.00 via email in 1~3 business day superseded
GB/T 4061-1983 Polycrystalline silicon--Examination method--Assessment of sandwiches on cross-section by chemical corrosion $180.00 via email in 1~3 business day abolished
GB/T 4106-1983 Determination method for secondary recrystallization temperature of tungsten wire $180.00 via email in 1~3 business day abolished
GB/T 4107-1983 Magnesium powders--Determination of apparent density--Scott volumetric method $180.00 via email in business day abolished
GB/T 4107-2004 Determination of apparant density of magnesium powder Scott volumetric method $220.00 via email in 1~3 business day abolished
GB/T 4108-1983 Magnesium powders and aluminum-magnesium alloy powders--Determination of particle size by dry sieving method $180.00 via email in business day abolished
GB/T 4108-2004 Magnesium powder and aluminium-magnesium alloy powder determination of particle size-Dry sieving method $180.00 via email in 1~10 business day abolished
GB/T 4193-1984 Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuum tubes $70.00 via email in 1~3 business day valid
GB/T 4194-1984 Creep testing,high temperature treatment and metallographic examination of the tungsten wires $84.00 via email in 1~3 business day superseded
GB/T 4195-1984 Method for measuring the distribution of the powder size of tungsten and molybdenum method by the balance for the fall of the particles $90.00 via email in 1~3 business day valid
GB/T 4196-1984 Method for testing the density of tungsten and molybdenum bars $84.00 via email in 1~3 business day valid
GB/T 4197-1984 Method for measuring the average grain size of sintered bar and rod of tungsten molybdenum and alloys $70.00 via email in 1~3 business day abolished
GB/T 4236-1984 Steel; Examination by sulphur print(Baumann method) $70.00 via email in 1~3 business day superseded
GB/T 4296-1984 Magnesium alloy wrought products--Microstructure--Inspection method $180.00 via email in 1~3 business day superseded
GB/T 4297-1984 Magnesium alloy wrought products--macrostructure--inspection method $490.00 via email in 1~3 business day superseded
GB/T 4336-2002 Standard Test Method for Spark Discharge Atomic Emission Spectrometric Analysis of Carbon and Low-Alloy Steel (Routine Method) $60.00 immediately superseded
GB/T 43603.1-2023 Methods for chemical analysis of nickel-platinum target alloys—Part 1: Determination of platinum content—Inductively coupled plasma atomic emission spectrometry $200.00 via email in 1~3 business day valid
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