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Patents > Applicant person : Edmond de Marçay or Gustav Mees & Assigned to: None

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airplane (12) · hybrid (11) · None (10) · stability (10) · propellers (9) · design (8) · gyroscope (8) · propeller (6) · frame (6) · helicopter (6) · control (6) · takeoff (5) · construction (4) · hydroplane (4) · propulsion (3) · ascension (3) · aerodynamics (3) · landing (3) · wings (3)
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Showing below up to 37 results in range #1 to #37.

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