Publikuar
ISO 7240-21:2005 specifies requirements, methods of test, and performance criteria for fire-alarm routing (transmitting) equipment and for fault (trouble) warning routing equipment for use in fire detection and fire alarm systems installed in buildings.
PUBLISHED
ISO 7240-21:2005
90.60
Close of review
3 dhj 2022
ABANDON
ISO/NP 7240-21
Dedektorët e zjarrit dhe sistemet e alarmit - Pjesa 21: Pajisjet e drejtimit
60.60 Standard published
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