Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Drainage and utilization of firedamp
Release of firedamp; firedamp in seam; drainage by cross measure borehole method from working galleries, by boreholes drilled from roads outside seam being worked, and by superjacent heading method; drainage from gob by suction and by blowers; drilling apparatus and drainage pipes; use and transport of firedamp.
Drainage and utilization of firedamp
Release of firedamp; firedamp in seam; drainage by cross measure borehole method from working galleries, by boreholes drilled from roads outside seam being worked, and by superjacent heading method; drainage from gob by suction and by blowers; drilling apparatus and drainage pipes; use and transport of firedamp.
Drainage and utilization of firedamp
U S Bur Mines -- Information Cir
Venter, J. (Autor:in) / Stassen, P. (Autor:in)
1953
22 pages
Report
Englisch
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