Drilldown: Patents

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Patents > Publication date: 1900 - 1999 & National tech categories: DE 77h.5 & First filing: No & Citations from after 1930: None

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Airplane (33) · frame (18) · construction (17) · design (16) · control (14) · wings (13) · stability (10) · Tragfläche (8) · biplane (7) · rudder (6) · navigation (6) · airfoil (6) · lift (5) · fuselage (4) · aerodynamics (4) · Flugzeug (4) · wing warping (3) · subsystem (3) · automatic stability (3) · propulsion (3)
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