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6 Inch Coal Mining Drill Bit 5 Blades 6 Nozzle Diamond PDC2022-06-07 16:12:20 |
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9.5" Coal Mining Drill Bit 6 Blades TSP Button Bits Rock Drilling2022-06-06 14:39:47 |
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Diamond Coal Mining Drill Bit Metal 55mm Dth Button Bits2022-06-06 14:36:58 |
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PDC Coal Mining Drill Bit 5 Nozzles Natural Gas PDC Bit For Well Drilling2022-06-02 07:24:29 |
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6 Inch PDC Oil Drill Bit API 153mm Water Well Matrix Body2022-06-02 11:46:21 |
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Carbide Coal Mining Drill Bit Steel Body Sintering Dth Hammer2022-06-06 14:37:01 |
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Tungsten Coal Mining Drill Bit Forging Anti Grind Oil Well Drill Head2022-06-06 14:43:49 |
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85mm Coal Mining Drill Bit 241.3mm Concrete Fixed Cutter2022-06-06 14:49:53 |
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Curved TCI Coal Mining Drill Bit 9 1/2 Inch Water Well2022-06-07 16:34:45 |
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6 Inch PDC Core Drill Bit Manganese 153mm Steel Body2022-06-02 11:52:03 |