RS ASTM C140/C140M-22 STANDARD TEST METHODS FOR SAMPLING AND TESTING CONCRETE MASONRY UNITS AND RELATED UNITS
48,000.00
6
288,000.00
2
Rwanda Standards
RS ISO 10456:2007/Cor 1:2009 BUILDING MATERIALS AND PRODUCTS — HYGROTHERMAL PROPERTIES — TABULATED DESIGN VALUES AND PROCEDURES FOR DETERMINING DECLARED AND DESIGN THERMAL VALUES (TECHNICAL CORRIGENDUM 1)
