| 摘要 |
PROBLEM TO BE SOLVED: To provide a safe locker door locking device lockable/unlockable only by a user by changing an optionally unlocking discriminating means. SOLUTION: This locker door locking device changes combinational characters and improves crime preventive effect by performing locking/unlocking by the combinational characters as a discriminating means displayed by a dial member 5, preventing the bombinational characters from remaining in a display part after completing locking and unlocking, and changing the combinational characters from the inside of a locker door only at unlocked time.
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