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经营范围
发明名称
DIGITAL RIGHTS MANAGEMENT OF A DIGITAL DEVICE
摘要
申请公布号
EP1800480(A2)
申请公布日期
2007.06.27
申请号
EP20050794214
申请日期
2005.08.31
申请人
SONY ELECTRONICS, INC.
发明人
CANDELORE, BRANT, L.
分类号
H04N7/167;H04N5/00;H04N7/16;H04N21/8355
主分类号
H04N7/167
代理机构
代理人
主权项
地址
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