Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Patent agent : Dupont et Elluin or J. Bonnet-Thirion or Marks & Clerk & IPCs: IPC B64C39/00

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Airplane (18) · Frame (9) · propellers (6) · whole (6) · construction (6) · Design (6) · wings (4) · lift (4) · propulsion (4) · sustentation (3) · control (3) · military (3) · fuselage (3)
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