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发明名称
Anordnung zum Ein- und Ausschalten eines Gleichstromkreises in Abhängigkeit von der Stromrichtung.
摘要
申请公布号
AT116698(B)
申请公布日期
1930.03.10
申请号
ATD116698
申请日期
1928.10.27
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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