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经营范围
发明名称
NEGATIVE FEEDBACK AMPLIFIER CIRCUIT
摘要
申请公布号
JPH01151806(A)
申请公布日期
1989.06.14
申请号
JP19880229901
申请日期
1988.09.16
申请人
HITACHI LTD
发明人
SATO TETSUO
分类号
H03F1/00;H03F1/34
主分类号
H03F1/00
代理机构
代理人
主权项
地址
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