Technology of erection of protective stripes of variable inflexibility during combined system of development of declivous coal beds on deep horizons

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Authors: Medianyk V.Yu., Tkachuk I.V.
 
The problems of underground working guard and support on deep horizontes are looke out. The ways of winning works technology improvement combined systems for slice seams mining on deep horizontes are given with goals of improvement of technical-economical factors, work safety and ecology.
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2010_1 Medyanik
Date 2012-12-14 Filesize 577.47 KB Download 1303

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ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

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