Drilldown: Patents

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Patents > Publication date: March 1912 & Number of claims: 2-8

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airplane (12) · None (10) · design (7) · frame (7) · construction (5) · wings (4) · propellers (4) · subsystem (4) · aerodynamics (3) · navigation (3) · Propulsion (3) · Lift (3) · stability (3) · airfoil (3)
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