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www.ChineseStandard.net Database: 189760 (17 Jan 2026)

GB 7821-1987

Chinese Standard: 'GB 7821-1987'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GB 7821-1987English199 Add to Cart Days<=2 Silica gel, macroporous microballoon GB 7821-1987 Obsolete GB 7821-1987

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