48mm / 75mm Diamond Core Drill Bit for Portable Underground Drilling Rig2020-05-19 12:00:11 |
Wireline Impregnated Diamond Core Drill Bit For Geological Exploration2020-05-19 12:00:18 |
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DTH Drilling Machine For Large Open Pit Mines 115 - 165mm Hole Diameter2020-05-19 12:01:10 |