Drilldown: Patents

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Patents > Office : GB or MX or NZ & Applicant person: None & Applicant type: INDIV & Application number : 191020786D or flapping or None & National tech categories : GB 4 propel & steer or GB 4 propelling or USPC 244/3.23

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propulsion (13) · navigation (10) · propeller (9) · electricity (8) · frame (6) · heavier-than-air (5) · LTA (4) · flapping (4) · electronics (4) · rudder (4) · steam (4) · car (4) · takeoff (4)
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