Drilldown: Patents

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Patents > Inventor country: CH & CPCs: None & Number of text pages: 2-4

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LTA (18) · frame (17) · airplane (15) · subsystem (14) · navigation (11) · propeller (11) · design (11) · propulsion (9) · stability (9) · balloon (7) · None (6) · elasticity (5) · cables (5) · control (4) · construction (4) · whole (4)
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