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发明名称
Magnetic core
摘要
申请公布号
US1834898(A)
申请公布日期
1931.12.01
申请号
US19300454457
申请日期
1930.05.21
申请人
GENERAL ELECTRIC COMPANY
发明人
BOYAJIAN ARAM
分类号
H01F27/245
主分类号
H01F27/245
代理机构
代理人
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