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发明名称
Schaltungsanordnung für Fernsprechanlagen mit Relaiswählern.
摘要
申请公布号
AT124467(B)
申请公布日期
1931.09.10
申请号
ATD124467
申请日期
1929.12.03
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
EMIL TANKE;DIPL. ING. FRITZ APPELIUS
分类号
主分类号
代理机构
代理人
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