Drilldown: Patents

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Patents > Inventor country: ES & National tech categories : USPC 244/151R or None

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LTA (19) · balloon (13) · navigation (8) · propulsion (8) · None (6) · aerodynamics (5) · safety (4) · track (4) · hydrodynamics (4) · rudder (3) · mooring (3) · braking (3) · landing (3) · hangars (3) · propellers (2) · hydrogen (2) · subsystem (2) · stability (2) · frame (2)
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Showing below up to 34 results in range #1 to #34.

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