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发明名称
Magnetsystem mit zwischen gegenueberstehenden Polen doppelseitig ausschwingendem Anker
摘要
申请公布号
DE530741(C)
申请公布日期
1931.07.31
申请号
DED530741D
申请日期
1930.05.16
申请人
HUGO SACHS
发明人
分类号
H04R11/00
主分类号
H04R11/00
代理机构
代理人
主权项
地址
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