RS ISO 8773: 2006 PLASTICS PIPING SYSTEMS FOR NON-PRESSURE
UNDERGROUND DRAINAGE AND SEWERAGE —
POLYPROPYLENE (PP)
33,000.00
82
2,706,000.00
2
Rwanda Standards
RS ISO 11733: 2004 WATER QUALITY — DETERMINATION OF THE
ELIMINATION AND BIODEGRADABILITY OF ORGANIC
COMPOUNDS IN AN AQUEOUS MEDIUM —
ACTIVATED SLUDGE SIMULATION TEST
