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Patents > Grant date: 1920 - 1929 & Related to aircraft : 1911-07-04 or Yes & CPCs : CPC B64C11/006 or CPC B64C2700/6256 or CPC B64C3/00

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airplane (25) · construction (17) · frame (16) · wings (13) · Design (10) · fuselage (5) · biplane (5) · monoplane (4) · aerodynamics (4) · metal (3) · aileron (3) · lift (3)
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Showing below up to 42 results in range #1 to #42.

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