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Priority to FR7209745ApriorityCriticalpatent/FR2176307A5/fr
Application grantedgrantedCritical
Publication of FR2176307A5publicationCriticalpatent/FR2176307A5/fr
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