Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Survey of face ventilation practices in coal mines
Systems adaptable for condition due to increasing use of continuous miners, especially boring type, considered best from theoretical and experimental standpoints; installation of plastic brattice cloth increases air flow.
Survey of face ventilation practices in coal mines
Systems adaptable for condition due to increasing use of continuous miners, especially boring type, considered best from theoretical and experimental standpoints; installation of plastic brattice cloth increases air flow.
Survey of face ventilation practices in coal mines
US Bur Mines -- Report Investigations
Stahl, R.W. (Autor:in) / Kapsch, F.F. (Autor:in)
1960
13 pages
Report
Englisch
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