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Patents > National tech categories : DE 77h.5 or USPC 244/80 & CPCs : CPC B64C13/00 or None

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airplane (25) · control (21) · stability (11) · None (8) · navigation (8) · design (6) · Tragfläche (5) · steering (5) · frame (5) · rudder (4) · wings (4) · aerodynamics (3) · automatic stability (3) · wing warping (2) · camber (2) · propulsion (2) · biplane (2) · subsystem (2) · pendulum (2)
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Showing below up to 54 results in range #1 to #54.

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