
Gas-fired central heating boilers - Specific requirements for condensing boilers with a nominal heat input not exceeding 70 kW
STANDARD published on 1.8.1998
Designation standards: ÖNORM EN 677
Note: WITHDRAWN
Publication date standards: 1.8.1998
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM