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发明名称
DIGITALSIGNATUREINRICHTUNG
摘要
申请公布号
DE2855787(A1)
申请公布日期
1979.07.12
申请号
DE19782855787
申请日期
1978.12.22
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
STEPHEN MATYAS,MICHAEL;CARL MEYER,HEINZ WILHELM;LEONARD TUCHMAN,WALTER
分类号
G09C1/00;H04L9/32;(IPC1-7):H04L9/04
主分类号
G09C1/00
代理机构
代理人
主权项
地址
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