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发明名称
Variable inductance
摘要
申请公布号
US2442373(A)
申请公布日期
1948.06.01
申请号
US19440564499
申请日期
1944.11.21
申请人
NEWKIRK THOMAS A
发明人
NEWKIRK THOMAS A.
分类号
H01F21/04
主分类号
H01F21/04
代理机构
代理人
主权项
地址
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