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Patents > Year granted: 1913 & First filing: None & Number of diagram pages: 2-20

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Airplane (13) · Design (8) · frame (7) · propellers (5) · aerodynamics (3) · construction (3) · navigation (3) · safety (3) · stability (2) · control (2) · subsystem (2) · propulsion (2) · whole (2) · Airship (2) · landing (2) · Lift (2) · LTA (2)
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