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Patents > Office : BE or CA or HU or SE & CPCs: None & Number of claims: 13-20

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airplane (10) · Whole (6) · Propulsion (4) · Aerodynamics (4) · design (4) · Wings (3) · frame (3) · Propellers (3) · stability (3) · Flapping (2) · automatic stability (2) · propeller (2) · lift (2)
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Showing below up to 26 results in range #1 to #26.

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