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NQ 1000M UN1000 Underground Core Drilling Rig With Max Torque 1650Nm2025-12-03 15:41:58 |
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Forging Process 3m Wireline Core Barrel Assembly For Underground Drilling2024-03-11 17:33:19 |
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TDC-80 Top Drive crawler-type coalbed methane multi-function drilling rig2025-04-03 18:47:03 |
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Mining Drilling Tools BQ NQ HQ PQ Reaming Shells For Hard Rock Drilling2024-07-22 17:43:33 |
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Professional Core Barrel Drilling With Heat Treatment Process2024-01-10 16:28:36 |