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Patents > Supplementary to patent: None & IPCs: IPC B64C27/04 & Number of diagram pages: 1-3

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Inventors:
Jules Cornu (3) · Paul Cornu (3) · None (2) · Félix Monin (2) · Désiré Sival (2) · Édouard-Jean Bigourdan (2) · Alexis Beurrier (2)
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Jules Cornu (3) · Alexis Beurrier (2) · Félix Monin (2) · Paul Cornu (2) · Désiré Sival (2)
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Tech fields:
helicopter (30) · None (10) · hybrid (10) · propellers (10) · airplane (9) · propulsion (8) · ascension (7) · wheels (4) · design (4) · heavier-than-air (4) · propeller (3) · lift (3) · HTA (3)
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