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Directional PDC Rock Drill Bit Diamond Coal Mining Deep Well2022-06-02 14:29:09 |
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Forging Deep Rock Well Drilling Bits PDC 6in Coal Mining Bit2022-06-07 18:11:56 |
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Concave Coal Mining Bit2022-06-02 18:45:03 |
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Tricone Roller Cone Drill Bit Carbide TCI Roller Bit Drilling2022-06-01 17:07:17 |
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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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85mm Coal Mining Drill Bit 241.3mm Concrete Fixed Cutter2022-06-06 14:49:53 |
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85mm 9.5" Button Drill Bit Tungsten Coal Mining Steel Body2022-06-06 14:40:50 |