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发明名称
Software protection using defects in the storage media.
摘要
The protection system is based on damaging a part of the medium so that physical, and therefore software, duplication is almost impossible.
申请公布号
ES2096515(A2)
申请公布日期
1997.03.01
申请号
ES19940000227
申请日期
1994.02.03
申请人
SANCHEZ SERRANO ANTONIO
发明人
SANCHEZ SERRANO ANTONIO
分类号
G06F9/445;G11B5/86;(IPC1-7):G11B5/86
主分类号
G06F9/445
代理机构
代理人
主权项
地址
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