
Drain and sewer systems outside buildings - Part 7: Maintenance and operations
NORM herausgegeben am 1.9.1998
Designation standards: ÖNORM EN 752-7
Note: UNGÜLTIG
Publication date standards: 1.9.1998
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM