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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Zweieranschluessen
摘要
申请公布号
DE928353(C)
申请公布日期
1955.05.31
申请号
DE1952S031087
申请日期
1952.11.15
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
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地址
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