| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which enables inhibiting of fraudulent work such as illegal unsealing of a wrapping member and earlier discovery of the fraudulent work in a game machine having a substrate wrapping member for wrapping a circuit board. SOLUTION: A unit member 1 is mounted on a box body and a box lid body 42 and the box lid body 42 is put on the box body. When a sealing metal is forced into an insertion hole, a retaining pawl is retained in a retaining hole to get a head part thereof engaged into an engaging hole. In this manner, the sealing metal is held in the sealing member as being made impossible to pull off and in turn. the box body is linked unsealably to the box lid body 42 to seal up a board box 40. A state shifting means is so arranged to shift from the first state to the second state when the board box 40 is opened at least by a specified method different from the normal method.
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