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Publication of FR968366ApublicationCriticalpatent/FR968366A/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
FR968366D1948-06-251948-06-25Dispositif équilibreur pour levage simultané de portes à coulissement vertical
ExpiredFR968366A
(fr)