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Patents > Granted: Yes & IPCs: IPC B64C3/56 & Number of figures: 5-12

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None (11) · airplane (10) · wings (9) · frame (7) · construction (6) · design (6) · propulsion (3) · folding (3) · incidence (2) · texture (2) · rudder (2) · ground transport (2) · sustentation (2) · lift (2) · propellers (2) · wheels (2) · whole (2) · biplane (2)
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