Drilldown: Patents

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Patents > Related to aircraft : Partially or Yes & Number of figures: 22-40

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Airplane (17) · propellers (13) · Design (11) · None (11) · Propulsion (10) · frame (10) · stability (8) · automatic stability (6) · Construction (6) · whole (5) · aerodynamics (4) · safety (4) · helicopter (4) · propeller (4) · wings (4) · LTA (4) · navigation (4)
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