RS ISO 14688-1: 2017 GEOTECHNICAL INVESTIGATION AND TESTING — IDENTIFICATION AND CLASSIFICATION OF SOIL — PART 1: IDENTIFICATION AND DESCRIPTION
34,500.00
42
1,449,000.00
2
Rwanda Standards
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
