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YY/T 1497-2016

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
YY/T 1497-2016English150 Add to Cart 0--10 minutes. Auto immediate delivery. Evaluation test method for the viral filtration efficiency(VFE)of medical protective face mask materials--Test method using Phi-X174 bacteriophage YY/T 1497-2016 Valid YY/T 1497-2016
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