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www.ChineseStandard.net Database: 189760 (25 Oct 2025)

GB 11649-1989

Chinese Standard: 'GB 11649-1989'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GB 11649-1989English759 Add to Cart Days<=5 Beam-pumping units GB 11649-1989 Obsolete GB 11649-1989

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