RS ISO 14688-1: 2017 GEOTECHNICAL INVESTIGATION AND TESTING — IDENTIFICATION AND CLASSIFICATION OF SOIL — PART 1: IDENTIFICATION AND DESCRIPTION
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Rwanda Standards
RS ISO 21587-2: 2007 CHEMICAL ANALYSIS OF ALUMINOSILICATE REFRACTORY PRODUCTS(ALTERNATIVE TO THE X-RAY FLUORESCENCE METHOD) PART 2: WET CHEMICAL ANALYSIS
