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发明名称
Method and system for broadcasting message by designating receiver
摘要
申请公布号
KR100749885(B1)
申请公布日期
2007.08.21
申请号
KR20050089100
申请日期
2005.09.26
申请人
发明人
分类号
H04N21/2343;H04W4/12
主分类号
H04N21/2343
代理机构
代理人
主权项
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