METHOD OF OPENING OUTBURST-PRONE SEAM
KHORUNZHIJ YURIJ T,SU, FRIDMAN IOSIP S,SU, POTURAEV VALENTIN N,SU, REPETSKIJ VASILIJ V,SU, MINEEV SERGEJ P,SU, FRIDMAN GENNADIJ M,SU
Year of Publication 23.12.1991
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Year of Publication 23.12.1991
Patent