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GB/T 9416.3-1988 Information processing-Data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 7958 ftprad, 1.9tpmm, on both sides-Part 3: Track format B (USD) via email in 1-3 business day ABOLISHED
GB/T 6463-2005 Metallic and other inorganic coatings-Review of methods of measurement of thickness via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 6462-2005 Metallic and oxide coatings-Measurement of coating inckness-Microscopical method (USD) via email in 1-3 business day VALID
GB/T 9415.3-1988 Information processing-Magnetic disk for data storage devices-158000 flux transitions per track, 210mm outer diameter, 100mm inner diameter (USD) via email in 1-3 business day ABOLISHED
GB/T 19352.1-2003 Thermal spraying—Quality requirements of thermally sprayed structures—Part 1:Guidance for selection and use via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 9792-2003 Conversion coatings on metallic materials—Determination of coating mass per unit area—Gravimetric methods via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JB/T 10349-2002 Dry blast machine via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 5270-2005 Metallic coatings on metallic substrates?Electrodeposited and chemically deposited coatings?Revies of methods available for testing adhesion via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 29037-2012 Thermal spraying—Coatings for protection against corrosion and oxidation at elevated temperatures (USD) via email in 1-3 business day VALID
GB/T 31568-2015 Standard test method for determination of crystallite size of ZrO2 coatings by Scherrer equation (USD) via email in 1 business day VALID
GB/T 12612-2005 General specification for multifunctional solution of iron and steel surface treatment via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 18682-2002 Specifications of physical vapour deposition TiN films via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 4955-1997 Metallic coatings-Measurement of coating thickness-Coulometric method by anodic dissolution via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 19352.4-2003 Thermal spraying—Quality requirements of thermally sprayed structures—Part 4:Elementary quality requirements via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 23600-2009 X-Ray real-time radioscopic testing method for magnesium alloy castings (USD) via email in 1-3 business day VALID
GB/T 19352.3-2003 Thermal spraying—Quality requirements of thermally sprayed structure—Part 3:STANDARD quality requirements via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 4955-2005 Metallic coatings -- Measurement of coating thickness -- Coulometric method by anodic dissolution (USD) via email in 1-3 business day VALID
GB/T 9791-2003 Chromate conversion coatings on zine,cadmium,aluminium-zine alloys and zinc-aluminium alloys—Test methods via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 16744-1997 Thermal spraying--Self-fluxing alloy coatings (USD) via email in 1-3 business day ABOLISHED
JB/T 8927-1999 lasma enhancing electrochemical ceramiczing(PECC) coatings/organic coatings on aluminum and aluminum alloys via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
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