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Publication of FR589056ApublicationCriticalpatent/FR589056A/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
G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games
G07C1/26—Pigeon-timing or like equipment
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FR589056D1924-10-311924-10-31Appareil pour constater l'heure d'arrivée des pigeons voyageurs ou autres applications
ExpiredFR589056A
(fr)