
Fire detection and fire alarm systems - Part 23: Fire alarm devices - Visual alarm devices
NORMA vydána dne 7.9.2011
Designation standards: UNE-EN 54-23:2011
Publication date standards: 7.9.2011
The number of pages: 69
Approximate weight : 207 g (0.46 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE