Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow
NORM herausgegeben am 1.5.2001
Designation standards: ÖNORM EN 1717
Note: UNGÜLTIG
Publication date standards: 1.5.2001
The number of pages: 53
Approximate weight : 159 g (0.35 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM