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Patents > Office: DE & IPCs : IPC B64C3/00 or IPC B64C33/00

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frame (20) · airplane (17) · construction (14) · wings (9) · biplane (8) · design (8) · Fuselage (5) · wing (3) · subsystem (3) · metal (3) · lift (3) · None (3) · motors (2) · airfoil (2) · triplane (2) · monoplane (2) · Tragfläche (2) · cables (2)
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Showing below up to 38 results in range #1 to #38.

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