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发明名称
Schaltungsanordnung fuer Verbindungsleitungen in Fernmelde-, insbesondere Fernsprechanlagen
摘要
申请公布号
DE573201(C)
申请公布日期
1933.03.29
申请号
DE1929S092853D
申请日期
1929.07.17
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
MATHIAS DR. MAXIMILIAN
分类号
H04Q5/22
主分类号
H04Q5/22
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代理人
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