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Patents > Filing date: 1909 & IPCs : IPC B64C13/00 or IPC B64C31/06

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control (11) · airplane (10) · rudder (8) · steering (7) · stability (7) · Design (6) · navigation (5) · wings (4) · Frame (4) · aerodynamics (4) · kite (4) · subsystem (3) · None (3) · equilibrium (2) · hybrid (2) · Lift (2) · propellers (2)
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Showing below up to 31 results in range #1 to #31.

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