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Patents > Applicant person : Everard Richard Calthrop or Henri-Marie Coandă or John Seiler

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construction (15) · airplane (15) · design (12) · frame (9) · wings (8) · stability (8) · parachute (8) · parachutes (7) · military (7) · fuselage (7) · propellers (6) · balloons (6) · sustentation (5) · aerodynamics (5) · lift (4) · nacelle (4) · landing (4) · LTA (4) · control (4)
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