RS ISO 1572: 1980 TEA — PREPARATION OF GROUND SAMPLE OF KNOWN DRY MATTER CON
3,000.00
8
24,000.00
2
Rwanda Standards
RS ISO 1577: 1987 TEA — DETERMINATION OF ACID INSOLUBLE ASH
3,000.00
8
24,000.00
3
Rwanda Standards
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
