
Water heating systems with closed expansion tanks; safety requirements
NORM herausgegeben am 1.5.1966
Designation standards: ÖNORM B8131
Note: UNGÜLTIG
Publication date standards: 1.5.1966
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM