Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Auxiliary and supplemental mine rescue equipment
Construction, operation, maintenance and care, and testing of Chemox, Scott Air-Pak 1/2-hr, and MSA compressed-oxygen and compressed-air 1/ 2-hr, breathing apparatus; lifeline telephone and facepiece.
Auxiliary and supplemental mine rescue equipment
Construction, operation, maintenance and care, and testing of Chemox, Scott Air-Pak 1/2-hr, and MSA compressed-oxygen and compressed-air 1/ 2-hr, breathing apparatus; lifeline telephone and facepiece.
Auxiliary and supplemental mine rescue equipment
U S Bur Mines -- Information Cir
Walker, W.D. (Autor:in) / Chastain, C.W. (Autor:in) / Dornenburg, D.D. (Autor:in)
1957
50 pages
Report
Englisch
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