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GB 12219-1990

Chinese Standard: 'GB 12219-1990'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GB 12219-1990EnglishRFQ ASK Days<=3 Gas pressure welding of reinforcing steel bar GB 12219-1990 Obsolete GB 12219-1990

  SIMILAR unprotected-true-PDFs:
  GB/T 18487.2-2017  GB 4806.1-2016