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经营范围
发明名称
NEGATIVE FEEDBACK AMPLIFIER
摘要
申请公布号
JPH04249410(A)
申请公布日期
1992.09.04
申请号
JP19910014654
申请日期
1991.02.06
申请人
NEC YAMAGATA LTD
发明人
MURAOKA MITSUHIRO
分类号
H03F1/34
主分类号
H03F1/34
代理机构
代理人
主权项
地址
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