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
7,500.00
3
22,500.00
2
Rwanda Standards
RS ISO 6333: 1986 WATER QUALITY — DETERMINATION OF MANGANESE-FORMALDOXIME SPECTROMETRIC METHOD