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New technology for excavating of vertical workings in rock mass
New technology for excavating of vertical workings in rock mass
New technology for excavating of vertical workings in rock mass
Sekula, F. (author) / Lazar, T. (author) / Labas, M. (author) / Rakowski, Z.
International conference, Geomechanics 93 ; 1993 ; Ostrava; Czech Republic
1994-01-01
6 pages
Conference paper
English
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