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GB 7793-2010

Chinese Standard: 'GB 7793-2010'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GB 7793-2010English139 Add to Cart Days<=3 [Including 2018XG1] Hygienic standard for day lighting and artificial lighting for middle and elementary school GB 7793-2010 Valid GB 7793-2010

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