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Patents > Office: FR & Patent agent : J. Germain or Weismann et Marx & Family year: 1911

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airplane (14) · frame (8) · design (8) · construction (7) · Wings (6) · chassis (5) · subsystem (5) · stability (4) · whole (4) · control (3) · propellers (3) · motors (3) · aerodynamics (3) · automatic stability (3) · Wheels (2) · helicopter (2) · pendulum (2) · gyroscope (2) · steering (2) · Fuselage (2)
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