| 摘要 |
PROBLEM TO BE SOLVED: To increase the frequency of cleaning of game media in a cleaning machine by preventing game media from being held up in a storage tank regardless of the necessity of replenishment of game media. SOLUTION: The game medium circulation system used in a bank of the game machine comprises the storage tank 21 for storing game media, the cleaning machine 23 for receiving game media from the storage tank 21 and cleaning the game media, and game medium circulation means 24, 25 and 26 for returning the game media cleaned by the cleaning machine 23 as they are into the storage tank 21. COPYRIGHT: (C)2009,JPO&INPIT
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