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发明名称
Web server apparatus for providing conference call
摘要
申请公布号
KR100600322(B1)
申请公布日期
2006.07.14
申请号
KR19990063032
申请日期
1999.12.27
申请人
发明人
分类号
H04L12/66
主分类号
H04L12/66
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代理人
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