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Patents > CPCs: CPC B64C23/005 & First filing: No & Number of figures: 3-10

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Inventors:
Albert John Fortescue (2) · Carl Hanschke (2) · Wilhelm Kress (2) · Henri Liurette (2) · Gustave Plaisant (2)
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Carl Hanschke (2) · Albert John Fortescue (2) · Henri Liurette (2) · Wilhelm Kress (2) · Gustave Plaisant (2)
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Tech fields:
Airplane (23) · Propulsion (13) · None (10) · Design (9) · Hybrid (9) · helicopter (7) · Lift (7) · propellers (7) · Frame (6) · aerodynamics (5) · ascension (5) · propeller (5) · Navigation (5) · Construction (5) · sustentation (4) · wings (4) · Chassis (4) · Takeoff (4)
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None (3)
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