Drilldown: Patents

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Patents > National tech categories : AT 77d or USPC 244/100R & Number of figures: 8-17

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Airplane (10) · frame (7) · stability (6) · Wings (6) · navigation (5) · subsystem (4) · propeller (4) · propulsion (3) · Helicopter (3) · Flapping (3) · design (3) · control (3) · None (3) · car (3) · Whole (3)
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