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
49
367,500.00
2
Rwanda Standards
RS ISO 2566-1: 2021 STEEL — CONVERSION OF ELONGATION VALUES —
PART 1: CARBON AND LOW-ALLOY STEELS