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发明名称
Callback-Verfahren
摘要
申请公布号
DE19746712(C2)
申请公布日期
2002.02.07
申请号
DE19971046712
申请日期
1997.10.15
申请人
TELES AG INFORMATIONSTECHNOLOGIEN
发明人
PAETSCH, FRANK
分类号
H04M3/48;H04M15/00;(IPC1-7):H04M3/48
主分类号
H04M3/48
代理机构
代理人
主权项
地址
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