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发明名称
A method to lead a participation of people to view the Interactive TV
摘要
申请公布号
KR100752759(B1)
申请公布日期
2007.08.29
申请号
KR20050133662
申请日期
2005.12.29
申请人
发明人
分类号
H04N7/173
主分类号
H04N7/173
代理机构
代理人
主权项
地址
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