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发明名称
Verfahren zur Verbesserung des E-Mail Infoservice
摘要
申请公布号
DE19757915(C2)
申请公布日期
2002.04.18
申请号
DE1997157915
申请日期
1997.12.24
申请人
DEUTSCHE TELEKOM AG
发明人
ZOITKE, GUENTHER
分类号
H04L12/58;(IPC1-7):H04L12/16;H04M11/00
主分类号
H04L12/58
代理机构
代理人
主权项
地址
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