Drilldown: Patents

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Patents > Publication date: 1900 - 1999 & Patent agent: G. de Mestral et F. Harlé

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airplane (28) · wings (16) · design (12) · lift (12) · sustentation (11) · propellers (11) · frame (11) · propulsion (10) · aerodynamics (7) · safety (7) · hybrid (7) · construction (7) · ascension (6) · parachutes (5) · navigation (5) · LTA (5) · None (5) · helicopter (5) · descent (4)
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Showing below up to 46 results in range #1 to #46.

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