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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
GB686856(A)
申请公布日期
1953.02.04
申请号
GB19500014011
申请日期
1950.06.05
申请人
ADVANCE TRANSFORMER CO.
发明人
分类号
H01F38/10
主分类号
H01F38/10
代理机构
代理人
主权项
地址
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