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Experimental studies of the seam openings competence in different methods of protection under pitch and steep coal seams development

Liashok, Ya; Iordanov, I; Chepiga, D; Podkopaiev, S (National Mining University, 2018-12-30)

Purpose. Investigation of the seam openings competence in different methods of protection in complex mining and geological conditions of pitch and steep coal seams development of Donbas. Methods. To achieve this purpose, ...