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发明名称
Schaltungsanordnung fuer Fernsprechnetze mit mehreren in Reihe liegenden Vermittlungsstellen
摘要
申请公布号
DE751497(C)
申请公布日期
1953.02.02
申请号
DE1942S150734D
申请日期
1942.06.07
申请人
SIEMENS & HALSKE A. G.
发明人
POHLMANN BRUNO
分类号
H04M7/06;H04Q3/00
主分类号
H04M7/06
代理机构
代理人
主权项
地址
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