RS ISO 1920-6: 2019 TESTING OF CONCRETE — PART 6: SAMPLING, PREPARING AND TESTING OF CONCRETE CORES
10,500.00
2
21,000.00
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
