CPC G05D1/0858
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Control mechanisms for vertical take-off of aircraft This wiki has 1 patents in category "CPC G05D1/0858". Other techtypes related to CPC G05D1/0858: Helicopter
Patents in category CPC G05D1/0858
- Patent US-1914-1091315 (English title: Airship, Inventors: David F Felten, Filing date: 1912-11-22)
Enclosing categories | CPC |
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Keywords | Helicopter |
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