Method and System for Providing Call Waiting Ring Service during Call Waiting,申请号KR20030024842-传众专利搜索

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发明名称	Method and System for Providing Call Waiting Ring Service during Call Waiting
摘要
申请公布号	KR100504383(B1)	申请公布日期	2005.07.28
申请号	KR20030024842	申请日期	2003.04.18
申请人		发明人
分类号	H04M3/428;(IPC1-7):H04M3/428	主分类号	H04M3/428
代理机构		代理人
主权项
地址

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