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发明名称
Electronic mail system
摘要
申请公布号
EP0880252(B1)
申请公布日期
2006.11.02
申请号
EP19970201551
申请日期
1997.05.23
申请人
KONINKLIJKE KPN N.V.
发明人
BOOT, ADRIAAN JOHAN
分类号
H04L12/58;H04N5/445;H04N7/088
主分类号
H04L12/58
代理机构
代理人
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