Drilldown: Patents

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Patents > National tech categories : AT 77d or USPC 244/30 & Number of figures: 8-13

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LTA (8) · airplane (7) · navigation (6) · wings (5) · car (4) · propeller (4) · propulsion (4) · frame (4) · balloon (4) · stability (4) · flapping (3) · dirigible (3) · Design (3) · subsystem (3) · marine (3) · whole (3)
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