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
16
912,000.00
3
Rwanda Standards
RS ISO 9163: 2005 TEXTILE GLASS — ROVINGS — MANUFACTURE OF
TEST SPECIMENS AND DETERMINATION OF TENSILE
STRENGTH OF IMPREGNATED ROVINGS
