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Patents > Publication date: 1911 & IPCs : IPC B64C39/00 or None & Number of diagram pages: 2

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airplane (12) · design (11) · whole (7) · frame (5) · subsystem (5) · Wings (4) · steering (4) · propellers (4) · construction (4) · Heavier-than-air (4) · propulsion (3) · navigation (3) · lift (3) · None (3) · Control (3) · airship (2) · aerodynamics (2) · ascension (2) · Stability (2) · ornithopter (2)
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Showing below up to 28 results in range #1 to #28.

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