Drilldown: Patents

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Patents > Inventor country: FR & Patent agent : Chassevent or None & IPCs: IPC B64C39/00

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design (21) · construction (13) · propulsion (12) · Airplane (12) · stability (10) · frame (8) · propellers (6) · None (5) · airship (5) · ascension (5) · navigation (5) · motors (5) · safety (4) · landing (4) · fuselage (4) · wings (4) · aerodynamics (4) · control (4)
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