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发明名称
Read-Side Anti-Theft Discs
摘要
An optical medium designed to reduce unauthorized read and theft, dye systems useful in making such discs, and methods of select application of the dye systems to recording medium.
申请公布号
US2008163281(A1)
申请公布日期
2008.07.03
申请号
US20070964545
申请日期
2007.12.26
申请人
VERIFICATION TECHNOLOGIES, INC.
发明人
SELINFREUND RICHARD H.
分类号
G11B7/24
主分类号
G11B7/24
代理机构
代理人
主权项
地址
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