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经营范围
发明名称
Improvements in or relating to electric transformers
摘要
申请公布号
GB542654(A)
申请公布日期
1942.01.21
申请号
GB19400011963
申请日期
1940.07.20
申请人
JOHN BENTLEY HANSELL;METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED
发明人
分类号
H01F27/34
主分类号
H01F27/34
代理机构
代理人
主权项
地址
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