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发明名称
METHOD OF EXTENDING THE VALIDITY OF A CRYPTOGRAPHIC CERTIFICATE.
摘要
申请公布号
EP0676109(A1)
申请公布日期
1995.10.11
申请号
EP19940902285
申请日期
1993.11.17
申请人
BELL COMMUNICATIONS RESEARCH, INC.
发明人
HABER, STUART, ALAN;STORNETTA, WAKEFIELD, SCOTT
分类号
G09C1/00;H04L9/32;(IPC1-7):H04L9/00
主分类号
G09C1/00
代理机构
代理人
主权项
地址
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