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JB/T 7912-1999

Chinese Standard: 'JB/T 7912-1999'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
JB/T 7912-1999English239 Add to Cart Days<=2 General purpose screw threads. Selected sizes for commercial screws, bolts and nuts JB/T 7912-1999 Obsolete JB/T 7912-1999

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