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DCDMA Standard Impregnated Diamond Core Drill Bit Crown Height 12mm2020-05-20 16:27:43 |
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AXT Vortex Crown Impregnated Diamond Bit DCDMA Standard2022-01-14 14:20:40 |
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14mm Crown Height Impregnated Diamond Bit For Efficient Hard Rock Coring2025-04-23 18:09:50 |
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Medium To Hard Formation Impregnated Diamond Core Drill Bit bq nq hq pq2019-09-12 17:16:15 |