Preliminary Application of Inclination-Correcting Boring ToolJ. COAL GEOLOGY & EXPLORATION, 1987, 15(1): 60-62.
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Citation:
|
Preliminary Application of Inclination-Correcting Boring ToolJ. COAL GEOLOGY & EXPLORATION, 1987, 15(1): 60-62.
|
Preliminary Application of Inclination-Correcting Boring ToolJ. COAL GEOLOGY & EXPLORATION, 1987, 15(1): 60-62.
|
Citation:
|
Preliminary Application of Inclination-Correcting Boring ToolJ. COAL GEOLOGY & EXPLORATION, 1987, 15(1): 60-62.
|