Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : DE or HU & Number of claims: None & Number of figures: 3-4

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airplane (13) · Stability (7) · frame (7) · subsystem (5) · automatic stability (4) · aerodynamics (3) · flapping (3) · Tragfläche (3) · propeller (3) · navigation (3)
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