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发明名称
METHOD OF SHIFTING RIGHTS OBJECT IN DIGITAL RIGHTS MANAGEMENT
摘要
申请公布号
KR100894470(B1)
申请公布日期
2009.04.22
申请号
KR20050074456
申请日期
2005.08.12
申请人
发明人
分类号
H04L9/32;H04L9/30
主分类号
H04L9/32
代理机构
代理人
主权项
地址
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