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经营范围
发明名称
Improvements in and relating to magnetic cores
摘要
申请公布号
GB418539(A)
申请公布日期
1934.10.26
申请号
GB19330032627
申请日期
1933.11.22
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H01F27/245
主分类号
H01F27/245
代理机构
代理人
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地址
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