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发明名称
Transformer construction
摘要
申请公布号
US2211691(A)
申请公布日期
1940.08.13
申请号
US19380230377
申请日期
1938.09.17
申请人
EDWARDS AND COMPANY, INC.
发明人
EDWARDS ROBERT S.
分类号
H01F27/02
主分类号
H01F27/02
代理机构
代理人
主权项
地址
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