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Patents > Office: FR & IPCs : IPC B64C11/18 or IPC B64C31/06

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kite (18) · kites (7) · frame (5) · propellers (4) · stability (4) · design (4) · aerial propeller (3) · aerodynamics (3) · hybrid (2) · Lift (2) · construction (2) · wings (2)
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Showing below up to 33 results in range #1 to #33.

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