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Home › Drilling machine provided with a detection system for detecting at least one locking position of a rotary head of an extension element of a drill string and method for detecting said at least one locking position

Drilling machine provided with a detection system for detecting at least one locking position of a rotary head of an extension element of a drill string and method for detecting said at least one locking position

US Patent 11473379 · Granted Oct 18, 2022

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