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发明名称
Adjustable inductance system
摘要
申请公布号
US1817248(A)
申请公布日期
1931.08.04
申请号
US19290382385
申请日期
1929.07.31
申请人
WIRED RADIO, INC.
发明人
GEBHARD LOUIS A.
分类号
H04B1/036
主分类号
H04B1/036
代理机构
代理人
主权项
地址
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