
Precast concrete shaft (manhole) rings, well rings and conical shaft rings
STANDARD published on 1.5.1978
Designation standards: ÖNORM B5072
Note: WITHDRAWN
Publication date standards: 1.5.1978
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM