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Publication of FR41548EpublicationCriticalpatent/FR41548E/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
E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
E05F17/004—Special devices for shifting a plurality of wings operated simultaneously for wings which abut when closed
FR41548D1932-03-141932-03-14Dispositif permettant l'ouverture ou la fermeture simultanée des vantaux de portes ou de fenêtres
ExpiredFR41548E
(fr)