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Patents > National tech categories : CH 129b or CH 94 & Number of text pages: 2-3

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Inventors:
Henri Dufaux (3) · Armand Dufaux (3) · Carl Wilhelm Paul (2) · Carl Franz Hubert Hertel (2) · Joseph Wetterwald (2) · Alfred E. Wunderlich (2)
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airplane (23) · stability (12) · automatic stability (9) · frame (7) · whole (6) · propeller (6) · Design (6) · subsystem (5) · heavier-than-air (5) · Tragfläche (5) · construction (4) · propellers (4) · rudder (3) · propulsion (3) · monoplane (3) · flapping (3) · Steering (3) · Control (3) · airfoil (3)
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