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Patents > IPCs: IPC B64C3/38 & Family year: 1909

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airplane (19) · frame (10) · design (10) · None (7) · wings (7) · stability (6) · aerodynamics (5) · aeroplane (4) · construction (4) · control (4) · subsystem (4) · Lift (3) · HTA (3) · navigation (3) · Equilibrium (3) · airfoil (3) · whole (3)
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Showing below up to 34 results in range #1 to #34.

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