Presenting new technologies in underground coal extraction, with special attention to mine galleries support and maintenance, load mechanism of massif-support system-safety system systems, analysis of face equipment for thin coal seams mining and substantiation of rational stoping parameters.
Progressive Technologies of Coal, Coalbed Methane, and Ores Mining
English | ISBN: 1138026999 | 2014 | 534 pages | PDF | 43 MBhttp://www31.zippyshare.com/v/17082841/file.html
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