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Patents > Year granted: 1913 & Office : MX or Other or None & Inventor country : AU or FR or HU & National tech categories : FR 6.2 or HU V/h or USPC 244/90R

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airplane (22) · design (12) · Subsystem (11) · Propellers (11) · stability (9) · Construction (8) · Propulsion (7) · frame (7) · wings (6) · Aerodynamics (5) · automatic stability (5) · wheels (3) · Sustentation (3) · biplane (3) · chassis (3) · equilibrium (3)
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Showing below up to 34 results in range #1 to #34.

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