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Patents > CPCs: CPC B64C2700/6274 & First filing: No

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None (2) · Auguste Contassot (2) · Henri Liurette (2) · Gustav Mees (2) · Lazare Victor Joseph DUVERNE (2) · Jean Desbois (2) · Carl Hanschke (2) · Charles Wolf (2) · Wilhelm Kress (2) · Alfred E. Wunderlich (2)
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None (4) · Auguste Contassot (2) · LAZARE VICTOR JOSEPH DUVERNE (2) · Jean Desbois (2) · Henri Liurette (2) · Gustav Mees (2) · Charles Wolf (2) · Carl Hanschke (2) · Wilhelm Kress (2) · Alfred E. Wunderlich (2)
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None (55) · Airplane (22) · propellers (15) · design (15) · propulsion (12) · hybrid (11) · lift (10) · ascension (10) · construction (8) · Helicopter (8) · Aerodynamics (7) · frame (7) · control (7) · Sustentation (5) · navigation (5) · wings (4) · heavier-than-air (4) · Chassis (4)
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