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Patents > Year granted: 1911 & Applicant person : Armand-Jean-Auguste Deperdussin or Everard Richard Calthrop or Louis-Isidore Henry or None & Applicant firm: None & Filing date: 1910 - 1919 & National tech categories : FR 6.4 or IT 8 or None & First filing: No

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airplane (11) · frame (5) · propulsion (5) · stability (4) · LTA (4) · design (4) · hybrid (3) · subsystem (3) · propeller (3) · construction (2) · piloting (2) · helicopter (2) · gyroscope (2) · flapping (2) · None (2)
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Showing below up to 19 results in range #1 to #19.

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