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发明名称
Method of and means for reducing retroactive currents in threeelectrode ionic amplifiers
摘要
申请公布号
US1946662(A)
申请公布日期
1934.02.13
申请号
US19230629702
申请日期
1923.04.03
申请人
RADIO CORPORATION OF AMERICA
发明人
BALLANTINE STUART
分类号
H03F1/16
主分类号
H03F1/16
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