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发明名称
Direct-coupled amplifier
摘要
申请公布号
US2777018(A)
申请公布日期
1957.01.08
申请号
US19540462509
申请日期
1954.10.15
申请人
ALLEN B. DU MONT LABORATORIES, INC.
发明人
RUSSELL ALFRED W.
分类号
H03F3/36
主分类号
H03F3/36
代理机构
代理人
主权项
地址
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