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发明名称
Service System and Method for Virtual Number
摘要
申请公布号
KR20070015677(A)
申请公布日期
2007.02.06
申请号
KR20050070169
申请日期
2005.08.01
申请人
发明人
分类号
H04Q7/38
主分类号
H04Q7/38
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代理人
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地址
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