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发明名称
Plural section magnetically variable inductor with frequency tracked systems
摘要
申请公布号
US2870334(A)
申请公布日期
1959.01.20
申请号
US19560626654
申请日期
1956.12.06
申请人
CROFTS GEORGE B
发明人
CROFTS GEORGE B.
分类号
H01F21/08
主分类号
H01F21/08
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