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Chinese Standard: 'GBZ49-2007'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GBZ 49-2007English279 Add to Cart Days<=3 Diagnostic criteria of occupational noise-induced deafness GBZ 49-2007 Obsolete GBZ 49-2007

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