Drilldown: Patents

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Patents > Year filed: 1880 - 1889 & Inventor country: FR

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LTA (14) · navigation (13) · propulsion (12) · rudder (7) · flapping (5) · ornithopter (5) · None (3) · gas (3) · frame (3) · whole (3) · ascension (3) · balloon (3) · steering (2) · rigid (2) · motors (2) · aerostat (2) · propeller (2) · construction (2) · car (2) · steam (2)
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