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发明名称
Tuning indicator
摘要
申请公布号
US1879294(A)
申请公布日期
1932.09.27
申请号
US19320589928
申请日期
1932.01.30
申请人
GENERAL ELECTRIC COMPANY
发明人
JONES NEVELL R.;DEWHURST WALLACE W.
分类号
H03J1/10
主分类号
H03J1/10
代理机构
代理人
主权项
地址
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