Drilldown: Patents

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Patents > Inventor country : AH or CH & Number of claims: 6-30

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propulsion (10) · frame (10) · design (8) · LTA (8) · Airplane (7) · propeller (6) · navigation (6) · balloon (5) · None (4) · stability (4) · Propellers (3) · takeoff (3) · airfoil (3) · Whole (3)
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Showing below up to 30 results in range #1 to #30.

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