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经营范围
发明名称
CIRCUITO AMPLIFICADOR
摘要
申请公布号
BR7308817(D0)
申请公布日期
1974.08.29
申请号
BR19730008817
申请日期
1973.11.09
申请人
RCA
发明人
HAFERL P
分类号
H03F3/21;H03F1/30;H03F3/20;H03F3/30;H03F3/42;H04N3/18;H04N5/60;H04N5/63;(IPC1-7):H04N3/16
主分类号
H03F3/21
代理机构
代理人
主权项
地址
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