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Patents > Filing date: 1911 & Patent agent : Brandon frères or Marks & Clerk

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airplane (7) · frame (5) · wings (4) · control (4) · subsystem (3) · stability (3) · parachute (3) · wheels (2) · sustentation (2) · propulsion (2) · piloting (2) · pendulum (2) · aerodynamics (2) · landing (2) · instrument (2) · None (2) · equilibrium (2) · design (2) · biplane (2)
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