Drilldown: Patents

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Patents > Inventor country : ES or Prussia & Number of figures: None

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LTA (24) · balloon (13) · propulsion (11) · navigation (9) · aerodynamics (5) · None (4) · frame (4) · braking (4) · hydrodynamics (4) · gas (4) · subsystem (3) · stability (3) · rudder (3) · propeller (3) · hydrogen (3) · whole (3)
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Showing below up to 43 results in range #1 to #43.

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