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
2
21,000.00
2
Rwanda Standards
RS ISO Guide 30: 2015 REFERENCE MATERIALS — SELECTED TERMS AND DEFINITIONS
12,000.00
3
36,000.00
3
Rwanda Standards
RS ISO 18416: 2015/Amd 1:2022 COSMETICS — MICROBIOLOGY — DETECTION OF CANDIDA ALBICANS
