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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GB 447-1977

Chinese Standard: 'GB 447-1977'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GB 447-1977EnglishRFQ ASK Days<=3 Super heated steam cylinder oils GB 447-1977 Obsolete GB 447-1977

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