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Patents > Inventor country: GB & Patent agent : E. Blétry or Haseltine, Lake & Co. & National tech categories: None

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airplane (16) · military (9) · control (5) · propellers (3) · LTA (3) · frame (3) · suspension (2) · propeller (2) · rudder (2) · airfoil (2) · projectile (2)
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