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Patents > Related to aircraft : .5? or Yes & National tech categories: DE 77h.5

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airplane (34) · construction (24) · frame (22) · design (18) · wings (12) · biplane (11) · fuselage (8) · Navigation (6) · Tragfläche (5) · stability (5) · None (5) · Control (5) · Aerodynamics (4) · airfoil (4) · Subsystem (4) · propeller (4) · wing warping (3) · rudder (3) · automatic stability (3) · motors (3)
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Showing below up to 61 results in range #1 to #61.

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