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
23
172,500.00
2
Rwanda Standards
RS ISO 24516-1:2016 GUIDELINES FOR THE MANAGEMENT OF ASSETS OF WATER SUPPLY AND WASTEWATER SYSTEMS — PART 1: DRINKING WATER DISTRIBUTION NETWORKS
