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经营范围
发明名称
DIFFERENTIAL AMPLIFIER
摘要
申请公布号
US3445780(A)
申请公布日期
1969.05.20
申请号
USD3445780
申请日期
1966.05.27
申请人
RADIO CORP. OF AMERICA
发明人
HOWARD R. BEELITZ
分类号
H03F3/343;H03K5/02;(IPC1-7):H03F1/08;H03F21/00
主分类号
H03F3/343
代理机构
代理人
主权项
地址
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