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Overhead roof support
Progress made in scientific application of roof bolting; description of mechanical devices and procedures; principles of geology and engineering stressed; basic problems.
Overhead roof support
Progress made in scientific application of roof bolting; description of mechanical devices and procedures; principles of geology and engineering stressed; basic problems.
Overhead roof support
Min Congress J
Gross, A.T. (Autor:in) / Price, P.H. (Autor:in)
1951
3 pages
Aufsatz (Zeitschrift)
Englisch
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