
Smoke and exit gas chimneys (flues); three-leaf chimneys with internal refractory tube; insulation layer; marking of conformity
STANDARD published on 1.11.1988
Designation standards: ÖNORM B8241
Note: WITHDRAWN
Publication date standards: 1.11.1988
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM