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The present invention relates to a clean door system. According to one embodiment of the present invention, the clean door system can comprise a speaker (50). A door handle comprises a handle, a sensor, a body, and a display unit.
본 발명은 클린도어시스템에 대한 것으로, 본 발명의 일실시예에 따른 스피커(50)를 포함할 수 있다.
The present invention relates to a clean door system. According to one embodiment of the present invention, the clean door system can comprise a speaker (50). A door handle comprises a handle, a sensor, a body, and a display unit.
본 발명은 클린도어시스템에 대한 것으로, 본 발명의 일실시예에 따른 스피커(50)를 포함할 수 있다.
Clean system door
클린시스템도어
KIM HYUN GON (author)
2021-02-08
Patent
Electronic Resource
Korean
IPC:
E05B
LOCKS
,
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