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Safety door-lock / door-lock

Safety door-lock

For security purposes, we use the door lock.
Enabling access to the password of the door lock is very important.
But can too easily be exposed to outsiders.
Tries to solve the problem

University

Chung-ang university

Chung-ang university
seoul, South Korea

Design

Chung-ang university

Chung-ang university
seoul, South Korea

yun-je seong

Design

Chung-ang university

Chung-ang university
seoul, South Korea