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Patents > Filing date: February 1913 & Family year: 1912

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Airplane (9) · wings (4) · Design (4) · airship (4) · propulsion (3) · LTA (3) · HTA (3) · Frame (3) · None (3) · Propellers (2) · hydroaeroplane (2) · equilibrium (2) · wheels (2) · Construction (2) · biplane (2) · Chassis (2) · safety (2) · Piloting (2)
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Showing below up to 23 results in range #1 to #23.

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