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发明名称
Alternating-current apparatus
摘要
申请公布号
US2009013(A)
申请公布日期
1935.07.23
申请号
US19340728470
申请日期
1934.06.01
申请人
GENERAL RADIO COMPANY
发明人
KARPLUS EDUARD;TUTTLE WILLIAM NORRIS
分类号
H01F29/06
主分类号
H01F29/06
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代理人
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