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发明名称
Schaltungsanordnung fuer Zweieranschluesse in Fernsprechanlagen
摘要
申请公布号
DE909947(C)
申请公布日期
1954.04.26
申请号
DE1950S001545
申请日期
1950.02.02
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
JAUCH EUGEN
分类号
H04Q5/24
主分类号
H04Q5/24
代理机构
代理人
主权项
地址
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