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Patents > Patent agent: G. de Mestral et F. Harle & Number of text pages: 1-3 & Number of claims: 1

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airplane (13) · wings (9) · design (5) · sustentation (5) · lift (4) · None (4) · Subsystem (3) · aerodynamics (3) · propellers (3) · propulsion (3) · safety (3) · frame (2) · hybrid (2) · cables (2) · airfoil (2) · parachutes (2) · helicopter (2)
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