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

QB 540-1980

Chinese Standard: 'QB 540-1980'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
QB 540-1980EnglishRFQ ASK Days<=3 (Tube bulb size series) QB 540-1980 Obsolete QB 540-1980

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