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Patents > Office : DE or SE & CPCs : CPC B64C11/00 or CPC B64C3/00

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airplane (23) · frame (22) · construction (15) · None (13) · design (11) · wings (11) · biplane (8) · Fuselage (6) · subsystem (5) · wing (4) · propulsion (4) · metal (3) · Tragfläche (3) · propeller (3) · airfoil (3) · lift (3)
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Showing below up to 58 results in range #1 to #58.

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