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Publication of FR729208ApublicationCriticalpatent/FR729208A/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
FR729208D1932-01-041932-01-04Dispositif permettant l'ouverture ou la fermeture simultanée des vantaux de portes ou de fenêtres
ExpiredFR729208A
(fr)