RS ISO 21138-2: 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 2: PIPES AND FITTINGS WITH SMOOTH EXTERNAL
SUR
55,500.00
90
4,995,000.00
2
Rwanda Standards
RS ARS 1698: 2021 DISINFECTANTS/SANITIZERS ? SPECIFICATION
