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www.ChineseStandard.net Database: 189760 (1 Nov 2025)

QB/T 2273-2017

Chinese Standard: 'QB/T 2273-2017'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
QB/T 2273-2017English169 Add to Cart Days<=3 Hairsprings of clocks QB/T 2273-2017 Valid QB/T 2273-2017

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