Fire detection and fire alarm systems - Part 12: Smoke detectors - Line detectors using an optical beam
STANDARD published on 1.11.2015
Designation standards: STN EN 54-12
Classification mark: 920404
Catalog number: 121670
Publication date standards: 1.11.2015
Approximate weight : 57 g (0.13 lbs)
Country: Slovak technical standard
Category: Technical standards STN