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发明名称
Anordnung zur Verbindungsueberwachung in Datenwaehlvermittlungsanlagen
摘要
申请公布号
DE2129380(A1)
申请公布日期
1972.12.21
申请号
DE19712129380
申请日期
1971.06.14
申请人
SIEMENS AG
发明人
ROSENHAUPT,FRITZ,DIPL.-ING.;KREUZER,FRIEDRICH
分类号
H04L12/00;H04L12/02
主分类号
H04L12/00
代理机构
代理人
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地址
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