Mineral resource sampling device for geological exploration
A mineral resource sampling device for geological exploration comprises a drill rod and a shell, a drill bit is arranged at the front end of the drill rod, a hollow rotating rod is fixedly connected to the rear end of the drill rod, the end, away from the drill rod, of the rotating rod is inserted i...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
14.10.2022
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Subjects | |
Online Access | Get full text |
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