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发明名称
Addition service system for DTV
摘要
申请公布号
KR100866869(B1)
申请公布日期
2008.11.04
申请号
KR20020010588
申请日期
2002.02.27
申请人
发明人
分类号
H04N5/44;H04N1/00;H04N5/765;H04N5/77;H04N5/775;H04N7/173;H04N9/808
主分类号
H04N5/44
代理机构
代理人
主权项
地址
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