RS ISO 21138-1: 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 1: MATERIAL SPECIFICATION AND PERFORMANCE
CRIT
25,500.00
16
408,000.00
2
Rwanda Standards
RS ISO 2591-1: 1988 TEST SIEVING —
PART 1: METHODS USING TEST SIEVES OF WOVEN
WIRE CLOTH AND PERFORATED METAL PLATE
