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Publication of FR1202260ApublicationCriticalpatent/FR1202260A/fr
E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
E05F15/00—Power-operated mechanisms for wings
E05F15/70—Power-operated mechanisms for wings with automatic actuation
E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
FR1202260D1958-03-111958-03-11Procédé et dispositif d'information sonore ou visuelle
ExpiredFR1202260A
(fr)