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Single Tube 59 BQ Drill Pipe , Reaming Rod Diamond Core Precision2019-08-19 14:22:03 |
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Geological BQ Reaming Shell Impregnated Good Torsional Property2019-08-19 14:22:03 |
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Reliable Performance Drilling Rods And Bits Reasonable Structure2019-08-20 09:35:02 |
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Hydraulic Diamond NQ Drill Rods , Metric Drill Rod Heat Treated2019-08-20 09:35:02 |
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Synthetic Diamonds PQ Reaming Shell Enhancing Wear Life Heavy Duty2019-08-19 14:25:04 |