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Patents > Inventor country: CH & Number of text pages: 1-2

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LTA (22) · frame (16) · subsystem (11) · airplane (10) · propulsion (8) · navigation (8) · propeller (8) · construction (7) · None (7) · Wings (6) · flapping (6) · rigid (6) · design (5) · control (4) · balloon (4) · gas (4) · stability (4) · car (4)
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