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
28
714,000.00
2
Rwanda Standards
RS 126-1: 2019 WASTEWATER TREATMENT PLANTS — PART 1: VOCABULARY
55,500.00
28
1,554,000.00
3
Rwanda Standards
RS ARS 950: 2016 AFRICAN TRADITIONAL MEDICINE — TERMS AND TERMINOLOGY
