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发明名称
System and Method for conference call service using short message service
摘要
申请公布号
KR100534155(B1)
申请公布日期
2005.12.06
申请号
KR20030018384
申请日期
2003.03.25
申请人
发明人
分类号
H04W4/12;H04W84/08;H04W88/18;(IPC1-7):H04Q7/20
主分类号
H04W4/12
代理机构
代理人
主权项
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