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Patents > Grant date: 1909 & Patent agent : C. Blétry or Weismann et Marx

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Airplane (10) · design (7) · wings (4) · hydrodynamics (3) · aerodynamics (3) · propulsion (3) · control (3) · construction (3) · chassis (3) · submarine (3) · hydroplane (3) · steering (2) · rudder (2) · subsystem (2) · propellers (2) · marine (2) · Wheels (2) · lift (2) · Frame (2)
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Showing below up to 17 results in range #1 to #17.

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