Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Requirements of mine ventilation are that adequte flow of air be maintained in all mine workings and that this should be accomplished with least possible overall cost; author discusses many points to be considered in meeting these conditions. Before Monongahela Coal Min Inst.
Requirements of mine ventilation are that adequte flow of air be maintained in all mine workings and that this should be accomplished with least possible overall cost; author discusses many points to be considered in meeting these conditions. Before Monongahela Coal Min Inst.
Aspects of underground ventilation
Min Congress J
Mancha, R. (Autor:in)
1941
4 pages
Aufsatz (Zeitschrift)
Englisch
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