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Patents > Office: DE & CPCs : CPC B64C11/006 or CPC B64C3/00 & Number of diagram pages: 1

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airplane (18) · frame (17) · construction (11) · wings (10) · biplane (7) · design (7) · subsystem (5) · propeller (5) · fuselage (5) · wing (4) · None (4) · Tragfläche (3) · airfoil (3) · lift (3) · metal (3)
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