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发明名称
SYSTEM AND METHOD FOR OFFERING VIDEO COMMUNICATION SERVICE
摘要
申请公布号
KR20050078001(A)
申请公布日期
2005.08.04
申请号
KR20040006091
申请日期
2004.01.30
申请人
KT CORPORATION
发明人
CHUNG, WON CHUL
分类号
H04N7/15;(IPC1-7):H04N7/15
主分类号
H04N7/15
代理机构
代理人
主权项
地址
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