
Smoke and heat control systems. Specification for powered smoke and heat exhaust ventilators.
NORMA vydána dne 31.7.2011
Designation standards: BS ISO 21927-3:2006+A1:2010
Note: NEPLATNÁ
Publication date standards: 31.7.2011
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: British technical standard
Kategorie: Technické normy BS