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经营范围
发明名称
GAIN CONTROLLED AMPLIFIER
摘要
申请公布号
US3538448(A)
申请公布日期
1970.11.03
申请号
USD3538448
申请日期
1968.01.17
申请人
RCA CORP.
发明人
JACK R. HARFORD
分类号
H03G3/30;(IPC1-7):H03G3/30
主分类号
H03G3/30
代理机构
代理人
主权项
地址
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