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HG 20519.31-1992

Chinese Standard: 'HG 20519.31-1992'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
HG 20519.31-1992EnglishRFQ ASK Days<=3 (Piping and instrumentation diagram of the equipment, machinery Legend) HG 20519.31-1992 Obsolete HG 20519.31-1992

  Google-Books (Full-PDF, without digital protection, will be auto-delivered in 0~10 mins):   HG/T 4715-2014  HG/T 20583-2011