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发明名称
Method and system for providing presence service in IP Multimedia Subsystem
摘要
申请公布号
KR100954830(B1)
申请公布日期
2010.04.27
申请号
KR20070099911
申请日期
2007.10.04
申请人
发明人
分类号
H04B7/26;H04W8/24
主分类号
H04B7/26
代理机构
代理人
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