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Patents > Full specification filed date: 1916 & Number of text pages: 2-4

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airplane (13) · None (4) · control (4) · propellers (4) · propeller (4) · construction (4) · wings (3) · frame (3) · wing (2) · subsystem (2) · stability (2) · multiplanes (2) · design (2) · joints (2) · connections (2) · Biplane (2) · aileron (2) · wires (2)
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