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
42
2,331,000.00
2
Rwanda Standards
RS ISO 21417: 2019 RECREATIONAL DIVING SERVICES —
REQUIREMENTS FOR TRAINING ON ENVIRONMENTAL
AWARENESS FOR RECREATIONAL DIVERS
10,500.00
50
525,000.00
3
Rwanda Standards
RS ISO 22254: 2005 DENTISTRY — MANUAL TOOTHBRUSHES — RESISTANCE AND TUFFED PORTION TO DEFLECTION
