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360° Rotation Angle DTH Boring Machine , Underground Dth Drilling Machine2019-01-31 12:53:01 |
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Strong Rotation / Propulsion Down The Hole Drill Rig 280KW Motor Power2019-01-31 12:53:01 |
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Compact Underground Down The Hole Drill For Large Dia Long Hole Mining2019-01-31 12:53:01 |
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80KN Feed Force Down The Hole Drill Rig For Mining Excavation Project2019-01-31 12:53:01 |