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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
G07C15/00—Generating random numbers; Lottery apparatus
G07C15/001—Generating random numbers; Lottery apparatus with balls or the like
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Physics & Mathematics
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General Physics & Mathematics
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Investigating, Analyzing Materials By Fluorescence Or Luminescence
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