ASTM F2101-07 STANDARD TEST METHOD FOR EVALUATING THE BACTERIAL FILTRATION EFFICIENCY (BFE) OF MEDIC
标准简介
ASTM F2101-07 STANDARD TEST METHOD FOR EVALUATING THE BACTERIAL FILTRATION EFFICIENCY (BFE) OF MEDICAL FACE MASK MATERIALS. USING A BIOLOGICAL AEROSOL OF STAPHYLOCOCCUS AUREUS
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