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发明名称
System and Method for processing call service of instant messaging client
摘要
申请公布号
KR100893261(B1)
申请公布日期
2009.04.17
申请号
KR20020076534
申请日期
2002.12.04
申请人
发明人
分类号
H04L12/66;(IPC1-7):H04L12/66
主分类号
H04L12/66
代理机构
代理人
主权项
地址
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