| 摘要 |
PROBLEM TO BE SOLVED: To provide an easy visual recognition of a board management number described on an electronic circuit board of a game machine.SOLUTION: In a pachinko game machine, a slot game machine, etc., board management numbers are described on electronic circuit boards mounted on them, however a visual recognition of the board management numbers is difficult. Workers can visually recognize a board management number in a normal posture at the backside and the like of a game machine by a description of the board management number in such a manner that a first end side of an electronic circuit board becomes below the board management number characters and by an attachment of the electronic circuit board to the game machine in a direction in such a manner that the first end side becomes the bottom end.SELECTED DRAWING: Figure 20 |
