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Patents > Applicant person : Henri-Marie Coandă or Hermann Ruthenberg

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airplane (15) · construction (14) · design (12) · propellers (11) · wings (10) · frame (10) · LTA (7) · aerodynamics (6) · fuselage (6) · Propulsion (4) · military (4) · landing (4) · airship (4) · projectile (3) · steering (3) · dirigible (3) · control (3) · stability (3) · sustentation (3)
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