RS ASTM C311/C311M-22 STANDARD TEST METHODS FOR SAMPLING AND TESTING FLY ASH OR NATURAL POZZOLANS FOR USE IN PORTLAND-CEMENT CONCRETE
15,000.00
71
1,065,000.00
2
Rwanda Standards
RS ISO 7941: 1988 COMMERCIAL PROPANE AND BUTANE —
ANALYSIS BY GAS CHROMATOGRAPHY
18,000.00
58
1,044,000.00
3
Rwanda Standards
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
