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Patents > Patent agent : Armengaud jeune or Dupont et Elluin & CPCs : CPC B64C2700/6214 or None

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airplane (12) · stability (9) · navigation (7) · Design (6) · construction (6) · automatic stability (6) · propulsion (5) · Frame (5) · balloon (4) · LTA (4) · rudder (4) · airfoil (3) · sail (3) · wings (3) · possibly flapping (3) · dirigible (3) · aerostat (3) · airship (2) · control (2) · engine (2)
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Showing below up to 35 results in range #1 to #35.

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