Drilldown: Patents

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Patents > Applicant person: None & Number of diagram pages: 2 & Number of figures: 4-5

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frame (17) · airplane (16) · propulsion (12) · LTA (12) · stability (11) · propeller (11) · navigation (11) · marine (7) · balloon (6) · design (6) · rudder (6) · car (6) · propellers (6) · landing (5) · takeoff (5) · hybrid (4) · helicopter (4) · lift (4) · whole (4)
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