RS ISO 2271: 1989 SURFACE ACTIVE AGENTS — DETERGENTS — DETERMINATION OF ANIONIC-ACTIVE MATTER BY MANUAL OR MECHANICAL DIRECT TWO-PHASE TITRATION PROCEDURE
7,500.00
155
1,162,500.00
2
Rwanda Standards
RS ISO 22476-3: 2005 GEOTECHNICAL INVESTIGATION AND TESTING — FIELD TESTING — PART 3: STANDARD PENETRATION TEST
