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发明名称
COPY PROTECTION METHOD FOR DIGITAL DATA STORED ON A MEDIUM
摘要
申请公布号
KR20010079885(A)
申请公布日期
2001.08.22
申请号
KR1020017003632
申请日期
2001.03.21
申请人
发明人
分类号
G11B20/10
主分类号
G11B20/10
代理机构
代理人
主权项
地址
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