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发明名称
Schaltungsanordnung für den Betrieb von Gefahrmeldern od. dgl. über Fernsprechteilnehmerleitungen.
摘要
申请公布号
AT151883(B)
申请公布日期
1937.12.10
申请号
ATD151883
申请日期
1936.07.23
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
ING. HUGO SCHEDLBAUER
分类号
主分类号
代理机构
代理人
主权项
地址
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