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YD 251-1981

Chinese Standard: 'YD 251-1981'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
YD 251-1981English199 Add to Cart Days<=2 (Pull the collar) YD 251-1981 Obsolete YD 251-1981

  SIMILAR Google-Books for your assessment (Full-PDF of YD 251-1981_English needs to be translated from scratch):
  GB 6830-1986  YD/T 1118.3-2018  YD/T 2341.1-2011