RS ISO/TR 4191: 2014 PLASTICS PIPING SYSTEMS FOR WATER SUPPLY ¾ UNPLASTICIZED POLY(VINYL CHLORIDE)(PVC-U) AND ORIENTED PVC-U (PVC-O) ¾ GUIDANCE FOR INSTALLATION
66,000.00
17
1,122,000.00
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
