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发明名称
Screen-grid amplifier
摘要
申请公布号
US1895902(A)
申请公布日期
1933.01.31
申请号
US19290389277
申请日期
1929.08.29
申请人
RADIO CORPORATION OF AMERICA
发明人
SNOW HAROLD A.
分类号
H05K9/00
主分类号
H05K9/00
代理机构
代理人
主权项
地址
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