Drilldown: Patents

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Patents > Inventor country : ES or RO & Publication date: 1910 - 1919 & Citations from after 1930: None

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airplane (14) · aerodynamics (14) · design (13) · LTA (11) · construction (10) · propellers (9) · Frame (8) · propulsion (6) · hydrodynamics (6) · wings (6) · subsystem (5) · stability (5) · landing (4) · braking (4) · fuselage (4) · Balloons (4) · nervure (3) · balloon (3) · airship (3)
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Showing below up to 42 results in range #1 to #42.

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