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Patents > Inventors : Adolphe-François-Joseph Doutre or Gustav Mees

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Airplane (22) · stability (22) · Equilibrium (12) · propellers (11) · None (10) · hybrid (10) · gyroscope (10) · design (8) · propeller (6) · takeoff (6) · frame (6) · aerodynamics (6) · helicopter (5) · control (5) · hydroplane (4)
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Showing below up to 48 results in range #1 to #48.

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