RS ASTM F 2299: 2017 STANDARD TEST METHOD FOR DETERMINING THE INITIAL EFFICIENCY OF MATERIALS USED IN MEDICAL FACE MASKS TO PENETRATION BY PARTICULATES USING LATEX SPHERES1
10,500.00
57
598,500.00
2
Rwanda Standards
RS ISO 3165: 1976 SAMPLING OF CHEMICAL PRODUCTS FOR INDUSTRIAL USE — SAFETY IN SAMPLING
