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发明名称
Schaltungsanordnung zur UEberwachung einer Fernmelde-,insbesondere Fernsprechvermittlungsanlage
摘要
申请公布号
DE2817598(B1)
申请公布日期
1979.09.13
申请号
DE19782817598
申请日期
1978.04.21
申请人
SIEMENS AG, 1000 BERLIN UND 8000 MUENCHEN
发明人
KRETEN, AXEL, DIPL.-ING., 8031 PUCHHEIM;ZOELCH, ROBERT, DR.-ING., 8000 MUENCHEN
分类号
H04M3/24;H04M3/32;(IPC1-7):H04Q1/20
主分类号
H04M3/24
代理机构
代理人
主权项
地址
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