Drilldown: Patents

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Patents > Office : DE or Other & Patent agent: G. de Mestral et F. Harlé & National tech categories: FR 6.4

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airplane (24) · wings (14) · lift (11) · frame (11) · design (11) · sustentation (10) · propulsion (9) · propellers (9) · construction (7) · hybrid (7) · aerodynamics (6) · safety (6) · ascension (5) · helicopter (5) · parachutes (5) · navigation (5) · LTA (5) · None (4) · descent (4)
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Showing below up to 41 results in range #1 to #41.

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