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经营范围
发明名称
OPERATIONAL AMPLIFIER
摘要
申请公布号
JPH03274912(A)
申请公布日期
1991.12.05
申请号
JP19900077674
申请日期
1990.03.26
申请人
NEC CORP
发明人
OKAMOTO TOSHIYUKI
分类号
H03F3/345;H03F3/45
主分类号
H03F3/345
代理机构
代理人
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