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Publication of FR393441ApublicationCriticalpatent/FR393441A/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
G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
G07C1/20—Checking timed patrols, e.g. of watchman
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FR393441D1908-08-181908-08-18Perfectionnements apportés aux clés enregistreuses pour controleurs de rondes
ExpiredFR393441A
(fr)