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Patents > Office : CU or HU & Inventor country: FR

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Tech fields:
airplane (19) · Design (16) · Propellers (14) · construction (14) · subsystem (13) · frame (8) · stability (8) · automatic stability (7) · Aerodynamics (6) · Whole (6) · LTA (6) · Airship (5) · dirigibles (5) · wings (4) · equilibrium (4) · Propulsion (3) · Control (3) · Wheels (3)
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None (3)
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Citations from after 1930:
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Showing below up to 45 results in range #1 to #45.

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