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Application filed by Univ Nat MiningfiledCriticalUniv Nat Mining
Priority to UA2003076878ApriorityCriticalpatent/UA67123A/en
Publication of UA67123ApublicationCriticalpatent/UA67123A/en
Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof
(AREA)
Abstract
Method for auger coal beds development in which laying of drilled well is performed at the same time with its drilling to total capacity, that for from the second preparatory working one increases in sequence the auger mill.
UA2003076878A2003-07-222003-07-22Method for auger coal beds development
UA67123A
(en)
Compact articulated drilling machine suitable for outdoor drilling operations, but also and more specifically for excavation and perforation in small spaces, galleries and/or passages