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Hard Rock TCI Tricone Drill Bit 346mm IADC617 For Blasting Overburdened2022-03-15 15:38:40 |
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Single Tube Diamond Tip Drill Bit Hot Pressed Sintered Dia 28 - 200mm2022-03-15 16:07:20 |
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89mm Dual Tube Diamond Drill Bit For Geological Exploration Drilling2022-03-15 16:07:20 |
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Tungsten Carbide PDC Drill Bit Diamond Bit / Reamer Forging Processing2022-03-15 16:07:20 |
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8 1/2" IADC637 Tricone Roller Rock Bit , Hole Opener Reamer Dth Bits2022-03-15 15:38:40 |