SAFETY OF UNSHIELDED TUNNEL BORING MACHINES AND RODLESS SHAFT BORING MACHINES FOR ROCK.
STANDARD published on 1.4.1997
Designation standards: UNE-EN 815:1997
Note: WITHDRAWN
Publication date standards: 1.4.1997
The number of pages: 38
Approximate weight : 114 g (0.25 lbs)
Country: Spanish technical standard
Category: Technical standards UNE