High-altitude flight device with vertical take-off and landing functions
A high-altitude flight device with vertical take-off and landing functions is characterized in that undercarriages are symmetrically and fixedly connected to the bottom of a case, engines are symmetrically arranged on the outer side of the middle of the case, propellers are connected onto the engine...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
25.06.2014
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Subjects | |
Online Access | Get full text |
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