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发明名称
Virtual full-duplex broadcasting service system and method
摘要
申请公布号
KR100689063(B1)
申请公布日期
2007.03.02
申请号
KR20050044887
申请日期
2005.05.27
申请人
发明人
分类号
H04N21/435;H04B1/40;H04N21/472
主分类号
H04N21/435
代理机构
代理人
主权项
地址
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