Drilldown: Patents

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Patents > Inventor country: AH & National tech categories : AT 77d or HU V/h or IT 8

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Frame (7) · LTA (6) · airplane (6) · balloon (4) · subsystem (4) · aerodynamics (4) · whole (3) · Stability (3) · navigation (3) · propulsion (3) · Propellers (3) · Design (2) · propeller (2) · motor (2) · HTA (2) · gas (2) · Fuselage (2) · Airship (2) · Dirigibles (2)
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Showing below up to 19 results in range #1 to #19.

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