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发明名称
INFORMATION ENCIPHERING/DECIPERING DEVICE
摘要
申请公布号
JPH04184476(A)
申请公布日期
1992.07.01
申请号
JP19900315237
申请日期
1990.11.20
申请人
HITACHI LTD
发明人
TSUYOSHI TOSHIAKI
分类号
G06F12/14;G06F21/24;G06K17/00;G09C1/00;H04L9/00;H04L9/08
主分类号
G06F12/14
代理机构
代理人
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