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Keyhole-Design / keyhole design

Keyhole-Design
Keyhole-Design

Sometimes to insert a key into a small keyhole is difficult .This is a keyhole design. Around the keyhole is a concave which can make the whole process of opening the door moving on smoothly .
It is particularly good to the elderly and disabled people.

University

Jiangnan University

Jiangnan University
Wuxi, China

jie shen

Design

Jiangnan University

Jiangnan University
Wuxi, China

huizhong zhang xinxin ma xinwei wang yuan kang

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