RS ISO 14688-2: 2017 GEOTECHNICAL INVESTIGATION AND TESTING — IDENTIFICATION AND CLASSIFICATION OF SOIL — PART 2: PRINCIPLES FOR A CLASSIFICATION
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Rwanda Standards
RS ISO 2871-1: 2010 SURFACE ACTIVE AGENTS — DETERGENTS — DETERMINATION OF CATIONIC ACTIVE MATTER CONTENT — PART 1: HIGH-MOLECULAR-MASS CATIONIC-ACTIVE MATTER
