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发明名称
Multigrid tube amplifier circuit
摘要
申请公布号
US2494317(A)
申请公布日期
1950.01.10
申请号
US19470771088
申请日期
1947.08.28
申请人
RADIO CORPORATION OF AMERICA
发明人
SEYBOLD ARTHUR MACK
分类号
H03F1/08;H03F3/22;H03F3/32
主分类号
H03F1/08
代理机构
代理人
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地址
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