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发明名称
Auto switching method for one number service and apparatus thereof
摘要
申请公布号
KR100473581(B1)
申请公布日期
2005.03.10
申请号
KR20020042758
申请日期
2002.07.20
申请人
发明人
分类号
H04M3/22;(IPC1-7):H04M3/22
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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