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发明名称
Transformer
摘要
申请公布号
US2424973(A)
申请公布日期
1947.08.05
申请号
US19430482525
申请日期
1943.04.10
申请人
FEDERAL TELEPHONE & RADIO CORPORATION
发明人
EDMONDS FRANK W.
分类号
H01F30/12
主分类号
H01F30/12
代理机构
代理人
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