RS ISO 787-15: 2019 GENERAL METHODS OF TEST FOR PIGMENTS AND EXTENDERS — PART 15: COMPARISON OF RESISTANCE TO LIGHT OF COLOURED PIGMENTS OF SIMILAR TYPES
10,500.00
107
1,123,500.00
2
Rwanda Standards
RS ISO 4221: 1980 AIR QUALITY — DETERMINATION OF MASS
CONCENTRATION SULPHUR DIOXIDE IN AMBIENT AIR
— THORIN SPECTROPHOTOMETRIC METHOD
