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Locking devices for elementary, middle and high school desks
Locking devices for elementary, middle and high school desks
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机译:小学,初中和高中课桌的锁定装置
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摘要
this research first, in the classroom, and a drawer for loading on a column value. in a locked drawer in the ancient, combination, the lock device and the necessary lock, drawer lock, because i can avoid the heavy bag from a little easier to do.
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