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S7 / S8 / S9 Hardness Geological Diamond Core Drill Bit2022-04-02 11:47:25 |
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Extension Threaded Drill Rod R32-H35-T38 Hex Rock Drill Steel Drifter Rod2022-03-15 16:25:36 |
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HQ Diamond Core Drill Bit Surface/Impregnated Set High Wear Resistance2022-03-15 16:07:20 |