METHOD OF DRIVING MINE WORKING
USATYUK ALEKSANDRA T,SU, PESHNIN NIKOLAJ V,SU, VLADIMIROV ALEKSEJ I,SU, RYAZHSKIKH MARINA V,SU, OSIPENKO YURIJ S,SU, AISTOV VLADIMIR V,SU
Year of Publication 23.01.1989
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Year of Publication 23.01.1989
Patent