SAFETY OF UNSHIELDED TUNNEL BORING MACHINES AND RODLESS SHAFT BORING MACHINES FOR ROCK.
NORMA vydaná dňa 1.4.1997
Designation standards: UNE-EN 815:1997
Note: NEPLATNÁ
Publication date standards: 1.4.1997
The number of pages: 38
Approximate weight : 114 g (0.25 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE