Gas-fired central heating boilers - Type B boilers of nominal heat input exceeding 70 kW, but not exceeding 300 kW (consolidated version)
NORM herausgegeben am 1.3.2007
Designation standards: ÖNORM EN 656
Note: UNGÜLTIG
Publication date standards: 1.3.2007
The number of pages: 138
Approximate weight : 445 g (0.98 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM