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Patents > Applicant is inventor: Yes & Patent agent : Armengaud jeune or E. Blétry & IPCs: IPC B64C39/00

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airplane (16) · Design (11) · wings (6) · propellers (6) · aerodynamics (5) · Lift (5) · propulsion (5) · chassis (5) · sustentation (4) · stability (4) · aileron (3) · control (3)
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Showing below up to 29 results in range #1 to #29.

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