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Publication of FR424683ApublicationCriticalpatent/FR424683A/fr
B64C39/003—Aircraft not otherwise provided for with wings, paddle wheels, bladed wheels, moving or rotating in relation to the fuselage
B64C39/006—Aircraft not otherwise provided for with wings, paddle wheels, bladed wheels, moving or rotating in relation to the fuselage about a vertical axis
FR424683A1910-03-191910-03-19Perfectionnements aux aéroplanes
ExpiredFR424683A
(fr)