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DHD3.5 Thread Down The Hole Water Well Drilling Bits With Convex Face2023-06-29 11:47:54 |
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API 2 3/8'' REG Thread Drag Bit Made By Advanced Forging Processing2025-01-02 12:01:21 |
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140mm 3 Wings Step Drag Bits For Water Well Drilling2025-01-02 12:01:21 |
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High Performance Numa100 Dth Drill Bit Diameter 254mm For Drilling Use2019-08-14 15:20:01 |
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10'' Numa100 Down The Hole Hammer Water Well Drilling Erosion Resistant2020-03-10 14:05:30 |