Drilldown: Patents

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Patents > Inventor country : AU or NO & Applicant person : Hans Gundersen or Émile Letord or None & Applicant firm: None & Related to aircraft : 1 or Yes

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frame (11) · airplane (11) · navigation (9) · rudder (9) · marine (6) · propulsion (6) · flapping (5) · propeller (4) · hybrid (3) · safety (3) · wheels (3) · whole (3) · LTA (3) · heavier-than-air (3)
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