Deformable four-rotor unmanned aerial vehicle propeller retainer
The utility model discloses a deformable four-rotor unmanned aerial vehicle propeller retainer, and relates to the technical field of four-rotor unmanned aerial vehicles. Comprising a main body, a steering engine is fixedly connected to the outer wall of the bottom of the main body, a spline is arra...
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Format: | Patent |
Sprache: | chi ; eng |
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