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Patents > Office: FR & Application number: None & Patent agent : Armengaud jeune or Victor J. Evans

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propulsion (14) · airplane (10) · navigation (6) · design (6) · construction (6) · LTA (5) · propellers (5) · balloon (4) · transmission (4) · frame (4) · dirigible (4)
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Showing below up to 51 results in range #1 to #51.

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