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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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Hydraulic Bench Dth Button Bits R32 / T38 / T45 / T51 For Drilling Tools2019-10-23 16:40:42 |
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127-152mm PDC Drill Bit with Steel Body Matrix Body for oil well drilling2025-03-10 16:18:20 |
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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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Carbon Steel 38mm Thread Button Bit 4 / 7 Buttons For Ore Mining Blasting2022-04-13 15:03:07 |