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发明名称
Schaltungsanordnung für Verbindungsleitungen in Fernmelde-, insbesondere Fernsprechanlagen.
摘要
申请公布号
AT127692(B)
申请公布日期
1932.04.11
申请号
ATD127692
申请日期
1930.05.21
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
DR. PHIL. MAXIMILIAN MATHIAS
分类号
H04Q5/22
主分类号
H04Q5/22
代理机构
代理人
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