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Information × Registration Number 0200U004858, 0100U006281 , R & D reports Title To develop a normative guide dokument "Steep and stoeply intelined seams. A field development without leaving coal pillars. A guide on mining." popup.stage_title Head Strizhiboroda Sergij Kuz'mych, Registration Date 12-12-2000 Organization Complex research and design institute on problems of the Central region of Donbass popup.description2 There are developed technological plans for the field development of steep and steeply inclined seams on haulage and ventilation horizons without leaving coal pillars in various mining and technical and mining and geological conditions. The plans are developed both to employ former untilled haulage workings and to reject their employment Product Description popup.authors popup.nrat_date 2020-04-03 Close