Safety of unshielded tunnel boring machines and rodless shaft boring machines for rock.
NORMA vydaná dňa 31.7.2009
Designation standards: BS EN 815:1996+A2:2008
Note: NEPLATNÁ
Publication date standards: 31.7.2009
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: British technical standard
Kategória: Technické normy BS