
Safety of unshielded tunnel boring machines and rodless shaft boring machines for rock - Safety requirements
STANDARD published on 15.11.2009
Designation standards: ÖNORM EN 815
Note: WITHDRAWN
Publication date standards: 15.11.2009
The number of pages: 38
Approximate weight : 114 g (0.25 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM