| 摘要 |
PROBLEM TO BE SOLVED: To provide a printed circuit board with excellent re-usability and a game machine. SOLUTION: The game machine has a non-replaceable board 61A which carry electronic components alone with the useful life substantially expiring and a replaceable board 61B which carry at least electronic components with the useful life substantially left which is detachably mounted to the non-replaceable board 61A with a connector 63. COPYRIGHT: (C)2006,JPO&NCIPI
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