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发明名称
KEY-BASED PROTECTION METHOD FOR LIGHT-READABLE DISCS
摘要
申请公布号
HK1018842(A1)
申请公布日期
2004.04.16
申请号
HK19990103924
申请日期
1999.09.09
申请人
WEA MANUFACTURING INC.
发明人
SEIDEL, ROBERT T.
分类号
G11B20/10;G11B20/00;(IPC1-7):G11B;G06F;H04L
主分类号
G11B20/10
代理机构
代理人
主权项
地址
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