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发明名称
Electronic mailing system
摘要
申请公布号
EP0508138(B1)
申请公布日期
1999.06.09
申请号
EP19920104208
申请日期
1992.03.11
申请人
HITACHI, LTD.
发明人
OKUMURA, SHIGEMI;HIROSAWA, TOSHIO
分类号
G06F13/00;H04L12/58;(IPC1-7):H04L12/54
主分类号
G06F13/00
代理机构
代理人
主权项
地址
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