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Patents > Grant date: 1900 - 1909 & IPCs : IPC B64C23/00 or IPC B64C39/00 & Number of claims: None

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airplane (10) · design (7) · propulsion (6) · frame (4) · Aerodynamics (3) · construction (3) · Heavier-than-air (3) · safety (3) · navigation (3) · airship (3) · stability (2) · subsystem (2) · marine (2) · LTA (2) · parachute (2) · airfoil (2) · Ascension (2) · motors (2) · sustentation (2) · dirigible (2)
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Showing below up to 21 results in range #1 to #21.

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