RS 520: 2023 SLABS OF NATURAL STONE FOR EXTERNAL PAVING — REQUIREMENTS AND TEST METHODS
39,000.00
25
975,000.00
2
Rwanda Standards
RS ISO 1452-4: 2009 PLASTICS PIPING SYSTEMS FOR WATER SUPPLY AND FOR BURIED AND ABOVE-GROUND DRAINAGE AND SEWERAGE UNDER PRESSURE — UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U) — PART 4: VALVES
