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HG 20620-1997

Chinese Standard: 'HG 20620-1997'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
HG 20620-1997EnglishRFQ ASK Days<=9 (Steel pipe flanges (American System)) HG 20620-1997 Obsolete HG 20620-1997

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