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Patents > Filing date: February 1911 & IPCs: None & Number of diagram pages: 1-3

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airplane (9) · frame (8) · stability (5) · design (5) · propulsion (4) · propellers (3) · HTA (3) · automatic stability (3) · construction (3) · aerodynamics (2) · marine (2) · wheels (2) · flying machine (2) · rudder (2) · whole (2) · ascension (2) · navigation (2) · wings (2) · lift (2)
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