Drilldown: Patents

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Patents > Applicant person: None & Applicant firm: None & Number of figures: 10-11

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propulsion (14) · frame (14) · navigation (12) · LTA (11) · balloon (9) · propeller (8) · stability (6) · design (6) · airplane (6) · flapping (5) · helicopter (4) · rudder (4) · car (4) · wheels (4) · whole (3)
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