Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction of underground roadways in metal and coal mines
Construction of underground roadways in metal and coal mines; mechanical principles underlying design of arch supports; rules governing standardization of steel roadway supports. (2nd Apr issue)
Construction of underground roadways in metal and coal mines
Construction of underground roadways in metal and coal mines; mechanical principles underlying design of arch supports; rules governing standardization of steel roadway supports. (2nd Apr issue)
Construction of underground roadways in metal and coal mines
Zweckmaessiger Streckenausbau im Erz- und Steinkohlenbergbau
Lubojatzky, E. (Autor:in)
Metall und Erz ; 31
1934
4 pages
Aufsatz (Zeitschrift)
Deutsch
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British Library Online Contents | 1999
Track construction in main underground roadways
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Innovations on stability control of roadways within soft strata in underground coal mines in China
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