RS ISO 5149-4: 2022 REFRIGERATING SYSTEMS AND HEAT PUMPS —
SAFETY AND ENVIRONMENTAL REQUIREMENTS —
PART 4: OPERATION, MAINTENANCE, REPAIR AND
RECOVERY
40,500.00
29
1,174,500.00
2
Rwanda Standards
RS ISO 23856:2021 PLASTICS PIPING SYSTEMS FOR PRESSURE AND NON-PRESSURE WATER SUPPLY, DRAINAGE OR SEWERAGE — GLASS REINFORCED THERMOSETTING PLASTICS (GRP) SYSTEMS BASED ON UNSATURATED POLYESTER (UP) RESIN
