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Patents > National tech categories : AT 77d or FR 10.1 & First filing: No & Number of figures: 4-8

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Frame (15) · airplane (12) · propellers (8) · Design (7) · LTA (6) · stability (6) · subsystem (6) · construction (6) · control (6) · aerodynamics (5) · wheels (5) · wings (4) · Flapping (4) · Lift (4) · takeoff (4) · navigation (4) · chassis (4) · airship (4)
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Showing below up to 42 results in range #1 to #42.

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