IPIQ

G PHYSICS

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G07 CHECKING-DEVICES

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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

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5/00 Registering or indicating the working of vehicles

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G07C5/02 Registering or indicating driving, working, idle, or waiting time only

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G07C5/04 using counting means or digital clocks

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