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经营范围
发明名称
Viewing/listening restriction apparatus and method for digital broadcast
摘要
申请公布号
EP1833255(B1)
申请公布日期
2012.11.28
申请号
EP20070000181
申请日期
2007.01.05
申请人
SAMSUNG ELECTRONICS CO., LTD.
发明人
LEE, YEON JU;YOON, SANG HYEON
分类号
H04N7/173;H04N5/445;H04N7/16;H04N7/24
主分类号
H04N7/173
代理机构
代理人
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