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Information × Registration Number 0299U004174, 0199U004366 , R & D reports Title Developing a manual: "Steep seams. Field preparation of seams without establisheng string pillars of coal in the vertilation horizon" popup.stage_title Head Strizhiboroda Sergej Kuz'mych, Registration Date 05-12-2000 Organization Complex research and design institute on problems of the Central region of Donbass popup.description2 Ther are developed the plans of field preparation of outburst-hazardous, fire- hazardous and having weak lateral roks steep and steeply inclined seams without establishing pillers of coal over the ventilation horizon, which are aimed at improving safe standards of mining and decreasing the loss of coal when mining Product Description popup.authors popup.nrat_date 2020-04-03 Close