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HG/T 20680-1990

Chinese Standard: 'HG/T 20680-1990'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
HG/T 20680-1990EnglishRFQ ASK Days<=11 (Chemical companies boiler room design and calculation requirements) HG/T 20680-1990 Obsolete HG/T 20680-1990

  SIMILAR unprotected-true-PDFs:
  GB/T 40244-2021  GB/T 35930-2018  HG/T 3811-2006