
Safety of unshielded tunnel boring machines and rodless shaft boring machines for rock (consolidated version)
STANDARD published on 1.6.2005
Designation standards: ÖNORM EN 815
Note: WITHDRAWN
Publication date standards: 1.6.2005
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM