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
66,000.00
195
12,870,000.00
2
Rwanda Standards
RS ASTM E1185: 2020 STANDARD GUIDE FOR SELECTING ECONOMIC
METHODS FOR EVALUATING INVESTMENTS
BUILDINGS AND BUILDING SYSTEMS
