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发明名称
METHOD AND SYSTEM FOR PROVIDING MULTIMEDIA RING BACK TONE SERVICE BY USING RECEIVER-SIDE SWITCHING CENTER
摘要
申请公布号
KR20060000152(A)
申请公布日期
2006.01.06
申请号
KR20040049091
申请日期
2004.06.28
申请人
SK TELECOM CO., LTD.
发明人
PARK, SEONG SOO;LEE, SANG SHIN;WOO, DAE SIC;LEE, DONG HAHK;CHUNG, WON SUK;LEE, JOO SIK;LEE, MYUNG SUNG
分类号
H04M3/42;H04W4/16;H04W8/22;H04W8/24
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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