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Drilling tool maintenance precautions
Apr 02,2024
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Precautions for using drilling tools
Mar 14,2024
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Shandong OuErte Construction Machinery Co.,Ltd wishes everyone a Happy Spring Festival!
Feb 10,2024
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Shandong OuErte Construction Machinery Co.,Ltd wishes everyone a Happy New Year!
Jan 01,2024
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Results News | Breakthrough progress! The downhole dynamic hard rock coring drilling tool of the Institute of Exploration Technology achieved successful sea trials
Oct 17,2023
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What are the specifications BQ, NQ and HQ of drill pipes in geological drilling in millimeters respectively?
Oct 01,2023
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