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Patents > Filing date: 1890 - 1899 & IPCs : IPC B64B1/00 or IPC B64B1/58 or IPC B64C25/00 or IPC B64C39/00

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LTA (29) · balloon (12) · navigation (12) · propulsion (12) · frame (9) · car (8) · rudder (8) · parachute (7) · propeller (5) · safety (4) · flapping (2) · stability (2) · electricity (2) · propellers (2)
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Showing below up to 33 results in range #1 to #33.

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