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发明名称
DoorPhone System
摘要
申请公布号
KR100816462(B1)
申请公布日期
2008.03.26
申请号
KR20050133717
申请日期
2005.12.29
申请人
发明人
分类号
H04M11/02;H04M11/00;H04M11/04;H04M11/06
主分类号
H04M11/02
代理机构
代理人
主权项
地址
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