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Patents > Inventor country : AH or SE & Granted: Yes & CPCs: None

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Propulsion (16) · Airplane (14) · Frame (13) · LTA (13) · Wings (11) · Flapping (10) · Design (9) · Aerodynamics (8) · subsystem (7) · balloon (7) · navigation (7) · Construction (6) · wing (5)
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