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G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
Sperrvorrichtung fuer Schloesser aller Art, insbesondere fuer Schloesser, deren Riegel von aussen durch Schluessel und von innen unmittelbar durch einen Zugknopf bedient wird