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发明名称
CONDITIONAL ACCESS SYSTEM FOR DIGITAL DATA BROADCASTING
摘要
申请公布号
KR100922114(B1)
申请公布日期
2009.10.16
申请号
KR20070141446
申请日期
2007.12.31
申请人
发明人
分类号
H04N21/4623;H04N21/6334
主分类号
H04N21/4623
代理机构
代理人
主权项
地址
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