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经营范围
发明名称
High frequency amplifier
摘要
申请公布号
US2185879(A)
申请公布日期
1940.01.02
申请号
US19360098453
申请日期
1936.08.29
申请人
RADIO CORPORATION OF AMERICA
发明人
ALLEN HORACE CLIFFORD
分类号
H03G3/22
主分类号
H03G3/22
代理机构
代理人
主权项
地址
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