RS ISO 21138-1: 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 1: MATERIAL SPECIFICATION AND PERFORMANCE
CRIT
25,500.00
69
1,759,500.00
2
Rwanda Standards
RS 234-1: 2021 NON-FOOD COMPOUNDS USED IN FOOD
PROCESSING ESTABLISHMENTS —
REQUIREMENTS —
PART 1:
FOOD-GRADE LUBRICANTS
