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发明名称
DIGITAL SIGNATURE SYSTEM, AND INFORMATION COMMUNICATION SYSTEM AND COMMUNICATION EQUIPMENT USING THE SAME
摘要
申请公布号
JPH11202766(A)
申请公布日期
1999.07.30
申请号
JP19980006629
申请日期
1998.01.16
申请人
CANON INC
发明人
OISHI KAZUOMI
分类号
H04L9/32;G09C1/00;(IPC1-7):G09C1/00
主分类号
H04L9/32
代理机构
代理人
主权项
地址
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