Smoke security devices. Code of practice for manufacture, installation and maintenance.
NORM herausgegeben am 15.2.1999
Designation standards: BS 7939:1999
Note: UNGÜLTIG
Publication date standards: 15.2.1999
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategorie: Technische Normen BS