| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine in which it is easy to determine that a board case has been opened even if a seal pasted to the board case has been peeled off and has been pasted again.SOLUTION: A seal 400 for making a base member 201 and a cover member 202, which are constituting a board case 200 capable of housing a game control board 40, in a sealed state is provided with a solvent use display portions 450A to 450D printed and formed with a special ink that resolves itself, due to a contact to a prescribed peeling liquid, into the peeling liquid. The solvent use display portions 450A to 450D are printed in a position not overlapping a boundary portion Z when sealed to the board case 200.SELECTED DRAWING: Figure 15 |
