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经营范围
发明名称
FEEDBACK TYPE DIFFERENTIAL AMPLIFIER CIRCUIT
摘要
申请公布号
JPH05299949(A)
申请公布日期
1993.11.12
申请号
JP19920129665
申请日期
1992.04.22
申请人
NEC CORP
发明人
HAYATA MASAAKI
分类号
H03F3/45;(IPC1-7):H03F3/45
主分类号
H03F3/45
代理机构
代理人
主权项
地址
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