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1. assists using the locking hole and key's shape to recognize, lets the child, regards bonding and old person is more convenient in the use

2. locking hole the part to reduce the misoperation by the cambered surface guidance type design the probability

3. use light suggestion door lock position and on-off state

University

National Taiwan University of

National Taiwan University of
science and technology
Taoyuan, Taiwan

chen wei-ting

Design

National Taiwan University of

National Taiwan University of
science and technology
Taoyuan, Taiwan

chen wei-ting

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