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发明名称
Einrichtung zur Verminderung und Beseitigung schaedlicher Funken am Fahrdraht von elektrischen Grubenbahnen
摘要
申请公布号
DE661146(C)
申请公布日期
1938.06.11
申请号
DE1936S125483D
申请日期
1936.12.25
申请人
SIEMENS-SCHUCKERTWERKE AKT.-GES.
发明人
GRUEMMER ALBERT
分类号
B60L3/00
主分类号
B60L3/00
代理机构
代理人
主权项
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