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Publication of AT15015BpublicationCriticalpatent/AT15015B/de
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
E05F13/00—Mechanisms operated by the movement or weight of a person or vehicle
E05F13/04—Mechanisms operated by the movement or weight of a person or vehicle by platforms lowered by the weight of the user
AT15015D1901-06-281901-06-28Vorrichtung zum Öffnen und Schliessen von Schiebetüren
AT15015B
(de)