Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Rock-dust does stop or limit mine explosions
Several cases in which explosions in coal mines in United States are fairly definitely known to have been stopped by rock dust during past 5 or 6 yr; also, several cases are cited in which explosions were stopped through agency of rock dust and moisture.
Rock-dust does stop or limit mine explosions
Several cases in which explosions in coal mines in United States are fairly definitely known to have been stopped by rock dust during past 5 or 6 yr; also, several cases are cited in which explosions were stopped through agency of rock dust and moisture.
Rock-dust does stop or limit mine explosions
U S Bur Mines -- Information Cir
Harrington, D. (Autor:in)
1932
6 pages
Report
Englisch
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