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经营范围
发明名称
CRYPTOGRAPHIC KEY SHARED CONTROLLING SYSTEM
摘要
申请公布号
JPH04150428(A)
申请公布日期
1992.05.22
申请号
JP19900272383
申请日期
1990.10.12
申请人
FUJITSU LTD
发明人
AKIYAMA RYOTA;HASEBE TAKAYUKI;TORII NAOYA
分类号
H04L9/08;H04L9/28
主分类号
H04L9/08
代理机构
代理人
主权项
地址
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