Safety of unshielded tunnel boring machines and rodless shaft boring machines for rock.
STANDARD published on 1.11.1992
Designation standards: E DIN EN 815:1992-11
Note: WITHDRAWN
Publication date standards: 1.11.1992
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: German technical standard
Category: Technical standards DIN
Sicherheit von Tunnelbohrmaschinen ohne Schild und gestängelosen Schachtbohrmaschinen zum Einsatz in Fels.