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发明名称
Improvements in electromagnetic relays
摘要
申请公布号
GB317853(A)
申请公布日期
1931.02.17
申请号
GB19290025180
申请日期
1929.08.17
申请人
TELEFONAKTIEBOLAGET L.M. ERICSSON
发明人
分类号
H01F7/14;H01H50/24;H01H50/34
主分类号
H01F7/14
代理机构
代理人
主权项
地址
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