Application of Rotary-Percussion Drilling to Drilling Conglomerate[J]. COAL GEOLOGY & EXPLORATION, 1987, 15(2): 59-62.
Citation: Application of Rotary-Percussion Drilling to Drilling Conglomerate[J]. COAL GEOLOGY & EXPLORATION, 1987, 15(2): 59-62.

Application of Rotary-Percussion Drilling to Drilling Conglomerate

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