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
13
741,000.00
2
Rwanda Standards
RS ISO 21587-2: 2007 CHEMICAL ANALYSIS OF ALUMINOSILICATE REFRACTORY PRODUCTS(ALTERNATIVE TO THE X-RAY FLUORESCENCE METHOD) PART 2: WET CHEMICAL ANALYSIS
