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发明名称
METHOD AND APPARATUS FOR PROVIDING MULTIRING SERVICE
摘要
申请公布号
KR20050080251(A)
申请公布日期
2005.08.12
申请号
KR20040008274
申请日期
2004.02.09
申请人
DIGITALWAVE, INC.
发明人
WEON, TAE HWAN
分类号
H04W4/16;H04W4/02;(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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