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Diamond Core Drill Bit , Large Diameter Core Drilling Drilling Rig Components2020-05-19 12:00:11 |
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48mm / 75mm Diamond Core Drill Bit for Portable Underground Drilling Rig2020-05-19 12:00:11 |
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بیت مته اصلی الماس آغشته به BQ ، NQ ، HQ ، PQ برای اکتشاف مواد معدنی2020-05-19 12:00:20 |
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حفاری هسته الماس Impregnated برای اکتشاف زمین شناسی2020-05-19 12:00:18 |
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Bx Nx Hx impregnated diamond core drill bits Geological Drilling Atlas Quality2020-05-19 12:00:17 |