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Patents > National tech categories : FR 6.2 or FR 6.4 & CPCs: CPC B64C23/005 & Number of text pages: 1-2

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Inventors:
Jean Desbois (3) · Jane-Françoise-Mathilde Giraud (2) · Alvaro Da Cunha (2) · Henri Liurette (2) · Maurice-Achille Lécuyer (2)
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Applicant person:
Jean Desbois (3) · Henri Liurette (2) · Alvaro Da Cunha (2) · Jane-Françoise-Mathilde Giraud (2) · Maurice-Achille Lécuyer (2)
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airplane (20) · helicopter (13) · hybrid (13) · design (11) · Propulsion (10) · None (7) · ascension (7) · Propellers (7) · frame (6) · Construction (5) · lift (4) · control (4) · Cables (4) · heavier-than-air (4) · wings (4) · Steering (3) · takeoff (3)
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