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Patents > Inventor country: DE & Applicant firm: None & Patent agent : Charles Dony or Haseltine, Lake & Co. or J. Germain or L. Chassevent

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airplane (7) · LTA (6) · airship (3) · Stability (3) · None (2) · control (2) · fuel (2) · envelope (2) · Fabric (2) · construction (2) · frame (2) · balloon (2) · Aerodynamics (2)
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