Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Mechanical mucking in vertical shaft sinking
Use of "Riddell Shaft Mucker," as described in anonymous article indexed in Engineering Index 1946 p 1027, from Min World Oct 1946. (See also Min Congress J v 32 n 11 Nov 1946 p 32-3)
Mechanical mucking in vertical shaft sinking
Use of "Riddell Shaft Mucker," as described in anonymous article indexed in Engineering Index 1946 p 1027, from Min World Oct 1946. (See also Min Congress J v 32 n 11 Nov 1946 p 32-3)
Mechanical mucking in vertical shaft sinking
S African Min Eng J
Grismer, G.M. (Autor:in)
1947
Aufsatz (Zeitschrift)
Englisch
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Mechanical mucking in vertical shaft sinking
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