RS ISO 22111: 2019 BASES FOR DESIGN OF STRUCTURES — GENERAL REQUIREMENTS
63,000.00
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63,000.00
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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