Fire detection and fire alarm systems - Part 4: Power supply equipment.
NORMA vydána dne 1.12.1997
Designation standards: DIN EN 54-4:1997-12
Publication date standards: 1.12.1997
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Brandmeldeanlagen - Teil 4: Energieversorgungseinrichtungen.