RS ASTM F 2101: 2019 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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Rwanda Standards
RS ISO 12185: 1996 CRUDE PETROLEUM AND PETROLEUM PRODUCTS — DETERMINATION OF DENSITY — OSCILLATING U— TUBE METHOD
