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发明名称
RANDOM PARTIAL-ENCRYPTION OF COMPUTER FILES
摘要
申请公布号
GB9020061(D0)
申请公布日期
1990.10.24
申请号
GB19900020061
申请日期
1990.09.13
申请人
ROSSER, ROY J
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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