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JB/T 4107.7-1999

Chinese Standard: 'JB/T 4107.7-1999'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
JB/T 4107.7-1999English199 Add to Cart Days<=2 Chemical analyse method for electrical contact materials. Determination of carbon content in the silver - graphite (Determine carbon content by the gas volumetry method) JB/T 4107.7-1999 Obsolete JB/T 4107.7-1999

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