- Trechless / Crossing PDC Bit
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- IADC Bit
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- Horizontal Directoinal Drilling
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- Mining Mud Motor / Mining Motor / Mining / Mine
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Coal Mine PDC Bit / Mining PDC Bit / Mining Bit
2025-04-13
introduction 2560
Rock Drill
Well Drilling
API
Orient Energy
Iron Box
118-444mm
China
8431439000
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