Drilldown: Patents

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Patents > Inventor country : CH or RU & Number of diagram pages: 2-7

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LTA (14) · airplane (13) · propulsion (10) · frame (9) · navigation (9) · None (8) · design (7) · balloon (6) · stability (5) · automatic stability (4) · takeoff (4) · flapping (4) · propeller (4) · construction (3) · control (3) · aerodynamics (3) · launching (3) · hybrid (3)
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