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Information × Registration Number 0203U006845, 0101U001104 , R & D reports Title The theory of destruction and formation of coal grading in its mining by shearers popup.stage_title Head Boyko N.G., Registration Date 16-09-2003 Organization Donetsk National Technical University popup.description2 The mathematical sample pieces of process of power argument on an end-effector of a combine and grain-size of makeup of the extracted coal are developed. Product Description popup.authors popup.nrat_date 2020-04-02 Close