Fire detection and fire alarm systems - Part 20: Aspirating smoke detectors
NORMA vydaná dňa 19.12.2007
Designation standards: UNE-EN 54-20:2007
Publication date standards: 19.12.2007
The number of pages: 83
Approximate weight : 280 g (0.62 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE