
Ventilation for buildings. Ductwork. Dimensions of circular flanges for general ventilation.
NORM herausgegeben am 15.8.1998
Designation standards: BS EN 12220:1998
Publication date standards: 15.8.1998
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Kategorie: Technische Normen BS
ISBN: 0 580 29674 1 Status: Confirmed