Drilldown: Patents

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Patents > Inventor country: CH & Supplementary to patent: None & Number of figures: 3-20

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frame (13) · LTA (12) · airplane (11) · propulsion (8) · None (7) · navigation (7) · subsystem (7) · propeller (7) · design (6) · construction (5) · control (5) · balloon (5) · stability (4) · wings (3) · rudder (3) · elasticity (3) · whole (3)
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