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发明名称
High frequency amplifier
摘要
申请公布号
US1905826(A)
申请公布日期
1933.04.25
申请号
US19280271861
申请日期
1928.04.21
申请人
RADIO CORPORATION OF AMERICA
发明人
ELLIOTT HAROLD F.
分类号
H03F1/16
主分类号
H03F1/16
代理机构
代理人
主权项
地址
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