Drilldown: Patents

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Patents > Inventor country: RU & Assigned to: None & First filing: No

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Airplane (20) · Stability (12) · aerodynamics (10) · automatic stability (10) · LTA (10) · wings (8) · balloon (6) · control (5) · propulsion (5) · frame (5) · ascension (4) · design (4) · lift (3) · None (3) · hybrid (3)
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