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发明名称
A COMPOSITE APPARATUS HAVING A NETWORK AUDIO AND A INTERNET TELEPHONE, A SYSTEM, AND A METHOD THEREOF
摘要
申请公布号
KR20050120315(A)
申请公布日期
2005.12.22
申请号
KR20040045625
申请日期
2004.06.18
申请人
KT CORPORATION
发明人
CHA, YOUNG CHUL
分类号
G11B20/10;H04L12/66;H04M1/26;(IPC1-7):H04L12/66
主分类号
G11B20/10
代理机构
代理人
主权项
地址
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