Drilldown: Patents

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Patents > Office : CA or DE & Inventor country : FR or None & Number of text pages: 3-70

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frame (8) · LTA (7) · propulsion (7) · airplane (6) · design (5) · stability (5) · balloon (4) · Safety (4) · navigation (4) · None (3) · subsystem (3) · aerodynamics (3) · wings (3) · construction (3) · propeller (2) · passenger (2) · piloting (2) · hydrodynamics (2)
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