Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : BE or CL or DE or DEG or IT or NL & Inventor country: FR & Applicant is inventor: Yes & National tech categories: BE K & IPCs : IPC B64C25/00 or None

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Tech fields:
airplane (15) · design (8) · construction (6) · propellers (5) · navigation (5) · wings (4) · stability (4) · motors (4) · frame (3) · steering (3) · control (3) · propulsion (3) · subsystem (2) · rudder (2) · lift (2) · aerodynamics (2) · LTA (2) · automatic stability (2) · chassis (2)
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