Drilldown: Patents

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Patents > Office : AT or DEG or NZ & Inventor country : DE or FR & Applicant is inventor: Yes & Number of text pages: 2-8 & Number of diagram pages: 1 & Number of figures: 4-6

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Tech fields:
Frame (8) · LTA (6) · airplane (6) · propeller (5) · propulsion (4) · propellers (4) · Construction (4) · flapping (3) · whole (3) · navigation (3) · Aerodynamics (3) · wings (3) · airship (3) · car (2) · stability (2) · piloting (2) · Design (2)
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