Medium-and-large hole type engineering driller
The utility model relates to a medium-and-large hole type engineering driller. The medium-and-large hole type engineering driller comprises a base. A guide frame is arranged on the base. A fixing frame for fixing the guide frame is arranged between the guide frame and the base. Ladder stands extendi...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
07.08.2013
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Subjects | |
Online Access | Get full text |
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