Drilldown: Patents

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Patents > Office : DE or ES or IT or MX or NO or SE or Other & Inventor country: ES & Related to aircraft : Partially or Yes or Other

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Tech fields:
LTA (30) · balloon (16) · navigation (11) · frame (7) · stability (7) · propulsion (7) · design (6) · subsystem (6) · safety (6) · landing (5) · balloons (5) · track (5) · nacelle (4) · mooring (4) · rudder (4) · hangars (4) · None (4)
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