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发明名称
Improvements in and relating to magnetic cores for electrical induction apparatus
摘要
申请公布号
GB351367(A)
申请公布日期
1931.06.25
申请号
GB19300031558
申请日期
1930.10.21
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H01F27/245
主分类号
H01F27/245
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代理人
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