| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique effective at the time of reducing the arrangement space in the front and back directions of a board box mounted on the back surface of a game machine. SOLUTION: In the game machine for which a plurality of board boxes for housing a circuit board are mounted on the back surface side, the plurality of board boxes 121 and 123 are piled up and mounted in the front and back direction of a game board. COPYRIGHT: (C)2006,JPO&NCIPI
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