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Patents > Year filed: 1909 & Applicant type : INDIV or Louis-Marie Le Dantec & Patent agent : Brewer & Son or J. Bonnet-Thirion

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airplane (9) · LTA (4) · stability (3) · propellers (3) · automatic stability (3) · Wings (2) · frame (2) · lift (2) · ascension (2)
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