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发明名称
Band pass amplifier
摘要
申请公布号
US2207796(A)
申请公布日期
1940.07.16
申请号
US19370138684
申请日期
1937.04.24
申请人
RADIO CORPORATION
发明人
GRUNDMANN GUSTAVE L.
分类号
H03F1/50;H03H7/01
主分类号
H03F1/50
代理机构
代理人
主权项
地址
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