Drilldown: Patents

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Patents > Inventor country: FR & IPCs: None & Number of text pages: 2-4 & Number of claims: None

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propulsion (13) · airplane (13) · LTA (9) · subsystem (9) · frame (7) · stability (7) · navigation (6) · propeller (6) · balloon (6) · propellers (5) · automatic stability (5) · flapping (4) · takeoff (4) · piloting (3) · biplane (3) · design (3) · dirigible (3)
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