
Fire detection and fire alarm systems - Part 20: Aspirating smoke detectors
STANDARD published on 1.3.2007
Designation standards: ÖNORM EN 54-20
Note: WITHDRAWN
Publication date standards: 1.3.2007
The number of pages: 71
Approximate weight : 213 g (0.47 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM