Drilldown: Patents

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Patents > Office : AT or CU or FR or SE & Inventor country: FR & Applicant firm: None & IPCs : IPC B64C3/00 or IPC B64C33/02 or IPC B64C39/00 & CPCs: CPC B64C39/00 & Number of claims: None

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airplane (13) · design (10) · frame (8) · construction (7) · subsystem (5) · motors (4) · aerodynamics (4) · wings (3) · whole (3) · stability (3) · propellers (3) · safety (2) · propulsion (2) · lift (2) · None (2) · chassis (2) · control (2)
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