RS ISO/TS 15923-2: 2017 WATER QUALITY — DETERMINATION OF SELECTED
PARAMETERS BY DISCRETE ANALYSIS SYSTEMS —
PART 2: CHROMIUM (VI),FLUORIDE, TOTAL
ALKALINITY, TOTAL HARDNESS, CALCIUM,
MAGNESIUM, IRON, IRON(II), MANGANESE AND
ALUMINIUM WITH PHOTOMETRIC DETECTION
46,500.00
68
3,162,000.00
2
Rwanda Standards
RS ISO 7240-20: 2010 FIRE DETECTION AND ALARM SYSTEMS —
PART 20: ASPIRATING SMOKE DETECTORS
81,000.00
71
5,751,000.00
3
Rwanda Standards
RS ISO 7010: 2022 GRAPHICAL SYMBOLS — SAFETY COLOURS AND SAFETY SIGNS — REGISTERED SAFETY SIGNS
