Gas-fired circulation heaters and combined water heaters
NORM herausgegeben am 1.5.1983
Designation standards: ÖNORM M7447
Note: UNGÜLTIG
Publication date standards: 1.5.1983
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM