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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit mehreren an gemeinsamer Leitung liegenden Abzweigstellen
摘要
申请公布号
DE573442(C)
申请公布日期
1933.04.01
申请号
DE1929S095482D
申请日期
1929.12.10
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
分类号
H04Q5/16
主分类号
H04Q5/16
代理机构
代理人
主权项
地址
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