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R28 76mm Carbide Reaming Dome Threaded Button Bit For Rock Drilling2021-08-10 10:51:24 |
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PW HW NW HWT PWT Casing Shoe Bits for Core Drilling2025-08-12 09:23:18 |
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4-1/8" Tricone Roller Bit , Well Drilling Equipment SGS ISO Listed2022-03-15 15:38:40 |
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8 1/2" IADC637 Tricone Roller Rock Bit , Hole Opener Reamer Dth Bits2022-03-15 15:38:40 |
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AQ NQ HQ PQ Impregnated Diamond Core Bits Mineral Exploration Industry2022-03-15 16:07:20 |
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Api Standard 20 Inch IADC 517 Tci Tricone Bits2022-03-15 15:38:40 |