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Patents > Filing date: October 1909 & National tech categories: FR 6.4

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airplane (14) · design (8) · LTA (7) · aerodynamics (6) · stability (5) · None (4) · control (4) · frame (4) · wings (4) · Equilibrium (3) · construction (3) · Propulsion (3) · landing (2) · propellers (2) · Chassis (2) · navigation (2) · Subsystem (2) · biplane (2) · incidence (2)
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Showing below up to 34 results in range #1 to #34.

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