RS 515: 2023 NATURAL STONE — TERMINOLOGY AND CLASSIFICATION
150,000.00
5
750,000.00
2
Rwanda Standards
RS ISO/TR 12470-1: 2017 FIRE RESISTANCE TESTS — GUIDANCE ON THE APPLICATION AND EXTENSION OF RESULTS FROM TESTS CONDUCTED ON FIRE CONTAINMENT ASSEMBLIES AND PRODUCTS — PART 1: LOAD BEARING ELEMENTS AND VERTICAL AND HORIZONTAL SEPARATING ELEMENTS