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Deep Hole HQ HQ3 Core Bit Wireline Core Mining Drill Machine Drill Bit2025-06-27 17:42:55 |
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12 mm HQ Impregnato Diamond Core Bit Rock Oil Well Drilling Drill Bits2025-06-27 17:42:55 |
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NQ HQ CQ DQ EQ Impregnati per la trivellazione geologica2025-06-27 17:42:55 |