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Patents > IPCs : IPC B64C27/04 or IPC F41A5/12 & Number of text pages: 1-2

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Inventors:
Désiré Sival (3) · Jules Collomb (2) · Félix Monin (2) · Jules Cornu (2) · Paul Cornu (2)
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Applicant person:
Désiré Sival (3) · Paul Cornu (2) · Félix Monin (2) · Jules Collomb (2) · Jules Cornu (2)
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Tech fields:
helicopter (20) · propulsion (11) · propellers (9) · airplane (6) · None (5) · hybrid (5) · Lift (4) · ascension (4) · design (4) · frame (3) · parachutes (3) · propeller (2) · nacelle (2) · sustentation (2) · traction (2) · whole (2) · HTA (2) · wings (2) · Construction (2)
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None (3)
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