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发明名称
ANRUFTEILUNGSNETZWERK MIT LOKAL-VERTRETER
摘要
申请公布号
AT202249(T)
申请公布日期
2001.06.15
申请号
AT19940302779T
申请日期
1994.04.20
申请人
AT&T CORP.
发明人
OTTO, MARY RITA
分类号
H04M3/42;H04M3/00;H04M3/51;H04M3/523;H04Q3/00;(IPC1-7):H04M3/50
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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