Fire detection and fire alarm systems for buildings. Code of practice for the design, installation, commissioning and maintenance of emergency voice communication systems.
STANDARD published on 31.1.2011
Designation standards: BS 5839-9:2011
Note: WITHDRAWN
Publication date standards: 31.1.2011
The number of pages: 72
Approximate weight : 216 g (0.48 lbs)
Country: British technical standard
Category: Technical standards BS