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经营范围
发明名称
Improvements in or relating to electro-magnetic devices
摘要
申请公布号
GB732362(A)
申请公布日期
1955.06.22
申请号
GB19520014251
申请日期
1952.06.05
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;CYRIL ALFRED LONDON
发明人
分类号
H01F7/08
主分类号
H01F7/08
代理机构
代理人
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地址
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