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Patents > Year filed: 1910 - 1919 & Office : AU or DE or Other & National tech categories : DE 77h.15 or FR 6.4 or USPC 244/22 & Family year: 1913 & Number of text pages: 4-5

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airplane (11) · stability (6) · Military (6) · LTA (4) · None (3) · control (3) · hybrid (3) · frame (3) · design (3) · wings (3) · aerodynamics (3) · automatic stability (3) · propellers (2) · wheels (2) · chassis (2) · rudder (2) · fuselage (2) · semi-rigid (2) · projectile (2)
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Showing below up to 26 results in range #1 to #26.

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