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Priority to CS336970ApriorityCriticalpatent/CS165463B1/cs
Priority to DE19712122715prioritypatent/DE2122715A1/de
Priority to FR7117586Aprioritypatent/FR2093502A5/fr
Publication of CS165463B1publicationCriticalpatent/CS165463B1/cs
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