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发明名称
Multimedia mail system.
摘要
申请公布号
EP0309993(B1)
申请公布日期
1995.05.03
申请号
EP19880115888
申请日期
1988.09.27
申请人
HITACHI, LTD.
发明人
SHIBATA, YOJI
分类号
H04L12/58;H04M3/42;H04M3/53;H04M3/533;H04M11/06;(IPC1-7):H04M3/50;H04Q3/00;H04L12/54
主分类号
H04L12/58
代理机构
代理人
主权项
地址
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