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Chisel Bit Integral Drill Rod For Rock Drilling , Shank 22 mm x 108 mm2016-12-13 17:01:27 |
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PDC Drill Bit for IADC Code PC2449 / M431 with Fastness Nozzles2019-07-15 15:56:17 |
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R25 150-160mm Tungsten Carbide Drill Coupling Sleeve2022-03-15 16:18:29 |