RS ISO 21138-3: 2020 PLASTICS PIPING SYSTEMS FOR NON-PRESSURE
UNDERGROUND DRAINAGE AND SEWERAGE —
STRUCTURED-WALL PIPING SYSTEMS OF
UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U),
POLYPROPYLENE (PP) AND POLYETHYLENE (PE) —
PART 3: PIPES AND FITTINGS WITH NON-SMOOTH
EXTERNAL
57,000.00
19
1,083,000.00
2
Rwanda Standards
RS ISO 439 STEEL AND CAST IRON — DETERMINATION OF SILICON CONTENT — GRAVIMETRIC METHOD
16,500.00
19
313,500.00
3
Rwanda Standards
RS ASTM D3517-19 STANDARD SPECIFICATION FOR “FIBERGLASS” (GLASS-FIBER-REINFORCED THERMOSETTING-RESIN) PRESSURE PIPE
