Safety of unshielded tunnel boring machines and rodless shaft boring machines for rock - Safety requirements
NORMA vydaná dňa 17.12.2008
Designation standards: UNE-EN 815:1997+A2:2008
Note: NEPLATNÁ
Publication date standards: 17.12.2008
The number of pages: 43
Approximate weight : 129 g (0.28 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE