Drilldown: Patents

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Patents > Inventor country : AH or HU & National tech categories: None

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propellers (13) · airplane (10) · LTA (10) · propulsion (9) · stability (8) · kite (6) · lift (6) · design (6) · automatic stability (5) · navigation (5) · None (4) · frame (4) · dirigibles (3) · aerodynamics (3) · gas (3) · dirigible (3) · helicopter (3) · construction (3)
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Showing below up to 52 results in range #1 to #52.

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