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发明名称
PASSWORD KEY SECURITY DEVICE AND PASSWORD KEY WRITE METHOD
摘要
申请公布号
JPH04130835(A)
申请公布日期
1992.05.01
申请号
JP19900250369
申请日期
1990.09.21
申请人
TOSHIBA CORP
发明人
TASHIRO SHIGERU
分类号
G09C1/00;H04L9/08;H04L9/28
主分类号
G09C1/00
代理机构
代理人
主权项
地址
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