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发明名称
INTELLIGENCE TYPE DOOR VIDEO PHONE AND REMOTE DOOR OPENING SYSTEM THEREWITH
摘要
申请公布号
KR20010108894(A)
申请公布日期
2001.12.08
申请号
KR20000029902
申请日期
2000.06.01
申请人
H.J. SYSTEM CO., LTD.
发明人
KIM, DONG HYEONG;KIM, HYEON SEUNG;LEE, DAE WON
分类号
(IPC1-7):H04N7/18
主分类号
(IPC1-7):H04N7/18
代理机构
代理人
主权项
地址
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