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发明名称
Elektromagnetische Einrichtung, in welcher der Anker mittels zweier Federn in einer Mittelstellung gehalten wird
摘要
申请公布号
DE570760(C)
申请公布日期
1933.02.20
申请号
DE1929E039436D
申请日期
1929.06.21
申请人
ELECTRICAL RESEARCH PRODUCTS, INC.
发明人
分类号
H01H51/22
主分类号
H01H51/22
代理机构
代理人
主权项
地址
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