BILLING SYSTEM AND METHOD FOR IMPROVING HOW TO SPLIT THE TIME OF A TELEPHONE CALL,申请号KR20070058230-传众专利搜索

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发明名称	BILLING SYSTEM AND METHOD FOR IMPROVING HOW TO SPLIT THE TIME OF A TELEPHONE CALL
摘要
申请公布号	KR100877080(B1)	申请公布日期	2009.01.07
申请号	KR20070058230	申请日期	2007.06.14
申请人		发明人
分类号	H04L12/14;H04M3/36;H04M15/00	主分类号	H04L12/14
代理机构		代理人
主权项
地址

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