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Patents > National tech categories : AT 77d or USPC 114/77R & Number of claims: 4-20

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Airplane (21) · Frame (18) · Construction (8) · wings (8) · stability (8) · Design (8) · LTA (7) · propulsion (7) · Subsystem (5) · Flapping (5) · propeller (5) · Aerodynamics (5) · military (4) · biplane (4) · Propellers (4) · wheels (4) · Control (4)
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Showing below up to 53 results in range #1 to #53.

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