Drilldown: Patents

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Patents > Inventor country: RU & Assigned to: None & National tech categories : BE K or DE 77h or FR 6.4 or None & Family year: 1900 - 1999 & Number of claims: 1-2

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Airplane (13) · stability (6) · aerodynamics (6) · wings (5) · automatic stability (5) · propulsion (5) · frame (4) · speed (3) · LTA (3) · None (3) · ascension (3) · Aerial propeller (3) · HTA (2) · sustentation (2) · subsystem (2) · sail (2) · propellers (2) · hybrid (2) · control (2) · design (2)
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Showing below up to 32 results in range #1 to #32.

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