Drilldown: Patents

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Patents > Office: HU & Applicant firm: None & Number of text pages: 4-5

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airplane (22) · Design (14) · Propellers (10) · Stability (9) · Frame (8) · whole (7) · Construction (7) · wings (6) · Subsystem (6) · Automatic stability (6) · Aerodynamics (5) · Propulsion (4) · Lift (4) · Control (4) · Equilibrium (4) · steering (3) · None (3)
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