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Patents > CPCs : CPC B64C25/38 or CPC B64C2700/6274 & Number of text pages: 1-2

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Inventors:
None (3) · Alwin Hitzeroth (2) · Wilhelm Kress (2) · Otto Sack (2) · Joseph Ayral (2) · Jean Desbois (2) · Carl Hanschke (2) · Auguste Contassot (2) · Henri Liurette (2) · Alvaro Da Cunha (2) · William Radford (2)
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None (4) · Alwin Hitzeroth (2) · Wilhelm Kress (2) · Otto Sack (2) · Joseph Ayral (2) · Jean Desbois (2) · Carl Hanschke (2) · Auguste Contassot (2) · Henri Liurette (2) · Alvaro Da Cunha (2) · William Radford (2)
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Tech fields:
None (25) · Airplane (20) · propulsion (12) · Helicopter (12) · Hybrid (11) · Propellers (7) · Frame (7) · Design (7) · Control (6) · Ascension (6) · Construction (5) · Lift (4) · propeller (4) · heavier-than-air (4) · Navigation (3) · whole (3) · takeoff (3) · Cables (3) · steering (3) · Chassis (3)
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None (9) · None (6) · J. Bonnet-Thirion (3) · Paul Caquet (3) · J. Germain (3) · Chassevent (2) · J. Fayollet (2) · Frey, de Carsalade, Rogers et Cie (2) · E. Blétry (2) · C. Bauman (2) · Armengaud jeune (2)
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