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Type 7 Degree Cross Bit Mining Operations Tapered Drilling Tools2023-11-24 09:54:11 |
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Customization Tapered Tungsten Carbide Drill Bit For Rock Drilling2022-04-13 15:03:05 |
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Length 1525-6095mm T51 Round 52 Mf Speed Drill Rod For Tunnel Quarry2022-03-15 16:25:36 |