RS ISO 15923-1: 2013 WATER QUALITY — DETERMINATION OF SELECTED
PARAMETERS BY DISCRETE ANALYSIS SYSTEMS —
PART 1: AMMONIUM, NITRATE, NITRITE, CHLORIDE,
ORTHOPHOSPHATE, SULFATE AND SILICATE WITH
PHOTOMETRIC DETECTION
37,500.00
6
225,000.00
2
Rwanda Standards
RS ISO 7165: 2017 FIREFIGHTING — PORTABLE FIRE EXTINGUISHERS — PERFORMANCE AND CONSTRUCTION