Drilldown: Patents

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Patents > Office: DE & First filing: No & Number of figures: 7-14

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LTA (10) · frame (10) · airplane (8) · propulsion (6) · balloon (6) · design (6) · None (4) · construction (4) · propeller (4) · navigation (4) · stability (3) · flapping (3) · wings (3) · biplane (3) · car (3)
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