RS ISO 7240-20: 2010 FIRE DETECTION AND ALARM SYSTEMS —
PART 20: ASPIRATING SMOKE DETECTORS
81,000.00
12
972,000.00
2
Rwanda Standards
RS ISO/TR 4191: 2014 PLASTICS PIPING SYSTEMS FOR WATER SUPPLY ¾ UNPLASTICIZED POLY(VINYL CHLORIDE)(PVC-U) AND ORIENTED PVC-U (PVC-O) ¾ GUIDANCE FOR INSTALLATION