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Patents > Year granted: 1911 & Tech fields : Navigation or propellers & Supplementary to patent : Patent DE-1899-123884 or None & Related to aircraft : .5? or 1906314176 or Yes

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René Tampier (3) · André-Julien Mahoudeau (2) · Albert Hugo Friedel (2) · Lucien Chauvière (2)
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None (5) · René Tampier (3) · Albert Hugo Friedel (2) · André-Julien Mahoudeau dit de Villethiou (2) · Lucien Chauvière‎‎ (2)
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