Drilldown: Patents

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Patents > Number of text pages: 3 & Number of diagram pages: 2-3 & Number of figures: None

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propulsion (7) · propeller (6) · LTA (5) · frame (4) · marine (3) · flapping (2) · stability (2) · parachute (2) · navigation (2) · motor (2) · airfoil (2) · hybrid (2) · None (2) · wheels (2) · balloon (2) · dirigible (2) · airplane (2) · Construction (2)
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