RS ISO 7240-19: 2007 FIRE DETECTION AND ALARM SYSTEMS —
PART 19: DESIGN, INSTALLATION, COMMISSIONING AND
SERVICE OF SOUND SYSTEMS FOR EMERGENCY
PURPOSES
49,500.00
42
2,079,000.00
2
Rwanda Standards
RS ISO 4221: 1980 AIR QUALITY — DETERMINATION OF MASS
CONCENTRATION SULPHUR DIOXIDE IN AMBIENT AIR
— THORIN SPECTROPHOTOMETRIC METHOD
