GAS-FIRED CENTRAL HEATING BOILERS. SPECIFIC REQUIREMENTS FOR CONDENSING BOILERS WITH A NOMINAL HEAT INPUT NOT EXCEEDING 70 kW.
NORM herausgegeben am 6.11.1998
Designation standards: UNE-EN 677:1998
Note: UNGÜLTIG
Publication date standards: 6.11.1998
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE