RS ISO 10545-4: 2019 CERAMIC TILES — PART 4:DETERMINATION OF MODULUS OF RUPTURE AND BREAKING STRENGTH
12,000.00
8
96,000.00
2
Rwanda Standards
RS ISO 2271: 1989 SURFACE ACTIVE AGENTS — DETERGENTS — DETERMINATION OF ANIONIC-ACTIVE MATTER BY MANUAL OR MECHANICAL DIRECT TWO-PHASE TITRATION PROCEDURE