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Patents > National tech categories: DE 77h.5 & First filing: No

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airplane (29) · frame (20) · construction (18) · design (15) · wings (13) · control (13) · Stability (7) · biplane (7) · rudder (6) · Tragfläche (5) · navigation (5) · None (5) · airfoil (5) · subsystem (4) · fuselage (4) · lift (4) · automatic stability (3) · aerodynamics (3)
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Showing below up to 62 results in range #1 to #62.

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