Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 11110-1989 Anodizing of aluminium and its alloys-Determination of quality of sealed anodic oxide coating-Admittance test $184.00 via email in 1~3 business day abolished
GB/T 11111-1989 Continual determination method of eletric resistance for tungsten wires $220.00 via email in 1~3 business day abolished
GB/T 11112-1989 Non-ferrous metals atmospheric corrosion testing method $130.00 via email in 1~3 business day superseded
GB/T 12966-1991 The method for electrical conductivity measurement of aluminium alloys by use of eddy current $120.00 via email in 1~3 business day abolished
GB/T 12968-1991 Eddy current decay method for measurement of resistivity and residual resistance ratio of pure metals $90.00 via email in 1~3 business day valid
GB/T 13012-1991 Solid steels--Methods of measurement of the d. c. magnetic properties $180.00 via email in 1~3 business day abolished
GB/T 13012-2008 Methods of measurement of d.c. magnetic properties of magnetically soft materials $330.00 via email in 1~5 business day valid
GB/T 13221-1991 Ultrafine powder-Determination of particle size distribution-Small-angle X-ray scattering method $100.00 via email in 1~3 business day superseded
GB/T 13387-1992 Test method for measuring flat length on slices of electronic materials $90.00 via email in 1~3 business day superseded
GB/T 13388-1992 Method for measuring crystallographic orientation of flats on single crystal silicon slices and wafers by X-ray techniques $224.00 via email in 1~3 business day superseded
GB/T 13389-1992 Practice for conversion between resistivity and dopant density for boron-doped and phosphorus-doped silicon $240.00 via email in 1~3 business day abolished
GB/T 13390-1992 Metallic powder-Determination of the specific surface area-Method of nitrogen adsorption $180.00 via email in 1~3 business day superseded
GB/T 13448-1992 Test methods for colour-coated steel plates and strips $210.00 via email in 1~3 business day superseded
GB/T 13789-1992 Magnetic sheet and strip-Methods of measurement of magnetic properties by means of a single sheet tester $160.00 via email in 1~3 business day abolished
GB/T 13789-2008 Methods of measurement of the magnetic properties of magnetic sheet and strip by means of a single sheet tester $280.00 via email in 1~5 business day abolished
GB/T 14141-1993 Test method for sheet resistance of silicon epitaxial, diffused and ion-implanted layers using a collinear four-probe array $220.00 via email in 1~3 business day abolished
GB/T 14146-1993 Silicon epitaxial layers--Determination of carrier concentration--Mercury probe Valtage-capacitance method $220.00 via email in 1~3 business day abolished
GB/T 14146-2021 Test method for carrier concentration of silicon epitaxial layers - Capacitance-voltage method $240.00 via email in 1~3 business day valid
GB/T 14201-1993 ore pellets - Determination of crushing strength $184.00 via email in 1~3 business day superseded
GB/T 14202-1993 ores (sinter and pellets) - Determination of bulk density $145.00 via email in 1~3 business day valid
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