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发明名称
A SYSTEM TO DELIVER ENCRYPTED ACCESS CONTROL INFORMATION
摘要
申请公布号
KR20030007798(A)
申请公布日期
2003.01.23
申请号
KR20027016305
申请日期
2002.11.29
申请人
发明人
分类号
H04N7/167
主分类号
H04N7/167
代理机构
代理人
主权项
地址
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