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发明名称
Transformer
摘要
申请公布号
US2191393(A)
申请公布日期
1940.02.20
申请号
US19370176030
申请日期
1937.11.23
申请人
HUMPHREYS MARIEN W
发明人
HUMPHREYS MARIEN W.
分类号
H01F30/10;H01F41/02
主分类号
H01F30/10
代理机构
代理人
主权项
地址
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