Drilldown: Patents

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Patents > Year granted: 1900 - 1999 & Inventor country: DE & IPCs: IPC B64C17/00

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stability (26) · airplane (23) · automatic stability (8) · None (6) · design (6) · frame (4) · equilibrium (4) · control (3) · pendulum (3) · rudder (3) · aeroplane (3) · aerodynamics (3)
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Showing below up to 44 results in range #1 to #44.

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