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Patents > Office : AT or CA or ES or SE & Inventor country : AU or HU or NO

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Tech fields:
airplane (11) · propellers (8) · frame (5) · biplane (5) · lift (5) · wings (5) · airfoil (4) · automatic stability (3) · flapping (3) · kite (3) · stability (3) · propulsion (3)
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Showing below up to 40 results in range #1 to #40.

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