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发明名称
Adjustable inductance system
摘要
申请公布号
US1899144(A)
申请公布日期
1933.02.28
申请号
US19290335111
申请日期
1929.01.25
申请人
WIRED RADIO, INC.
发明人
GEBHARD LOUIS A.
分类号
H01F27/00
主分类号
H01F27/00
代理机构
代理人
主权项
地址
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