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发明名称
Verfahren für zusätzliche Dienste elektronischer Post
摘要
申请公布号
DE60208981(D1)
申请公布日期
2006.04.13
申请号
DE20026008981
申请日期
2002.07.08
申请人
AT & T CORP., NEW YORK
发明人
KOCHEISEN, MICHAEL;MULLER, URS A.
分类号
H04L12/58
主分类号
H04L12/58
代理机构
代理人
主权项
地址
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