Drilldown: Patents

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Patents > Granted: None & Number of figures: 1-6

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propellers (7) · parachute (5) · Airplane (4) · hybrid (3) · landing (2) · Aerodynamics (2) · instrument (2) · illumination (2) · helicopter (2) · military (2) · frame (2) · propulsion (2) · design (2) · construction (2) · safety (2) · stability (2)
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