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发明名称
FERNSPRECHTEILNEHMERSCHALTUNG
摘要
申请公布号
ATA138086(A)
申请公布日期
1987.12.15
申请号
AT19860001380
申请日期
1986.05.23
申请人
SIEMENS AKTIENGESELLSCHAFT OESTERREICH
发明人
BECK HELMUTH DIPL.ING.;MALLY ERIK DIPL.ING.
分类号
H04B1/58;H04M19/00;(IPC1-7):H04M19/00;H04M1/58
主分类号
H04B1/58
代理机构
代理人
主权项
地址
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