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Application filed by Национальный горный университетfiledCriticalНациональный горный университет
Priority to UAA200801787ApriorityCriticalpatent/UA91709C2/en
Publication of UA91709C2publicationCriticalpatent/UA91709C2/en
A method for mineral extraction consists in that after each cycle of extraction of main mineral in direction of deposit of associated rocks additional breakoff is carried out, and in normal to each other directions excavations are carried out, thereafter rhomb-shaped rooms are formed.
UAA200801787A2008-02-112008-02-11Method for extraction of minerals
UA91709C2
(en)