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发明名称
Digital rights management method for appling multi-user of encryption contents
摘要
申请公布号
KR100620588(B1)
申请公布日期
2006.09.13
申请号
KR20050002515
申请日期
2005.01.11
申请人
发明人
分类号
G06F17/00
主分类号
G06F17/00
代理机构
代理人
主权项
地址
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