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
52
390,000.00
2
Rwanda Standards
ISO 18119 GAS CYLINDERS — SEAMLESS STEEL AND SEAMLESS ALUMINIUM-ALLOY GAS CYLINDERS AND TUBES — PERIODIC INSPECTION AND TESTING