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发明名称
Schaltungsanordnung zur Durchfuehrung einer Kombinationswahl ueber die beiden dem Fernmelde-, insbesondere dem Fernsprechverkehr dienenden Adern einer Anschlussleitung
摘要
申请公布号
DE912939(C)
申请公布日期
1954.06.08
申请号
DE1952S028189
申请日期
1952.04.20
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
LURK DIPL.-ING. HANS-JOACHIM
分类号
H04M1/515;H04Q3/00
主分类号
H04M1/515
代理机构
代理人
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地址
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