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发明名称
Method and System for Intelligent Network Based Providing of Substitute Ringback Tone
摘要
申请公布号
KR100532607(B1)
申请公布日期
2005.12.01
申请号
KR20030026529
申请日期
2003.04.25
申请人
发明人
分类号
H04W4/16;(IPC1-7):H04Q7/24
主分类号
H04W4/16
代理机构
代理人
主权项
地址
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