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经营范围
发明名称
AMPLIFYING CIRCUIT
摘要
申请公布号
US5172073(A)
申请公布日期
1992.12.15
申请号
US19920846374
申请日期
1992.03.05
申请人
NEC CORPORATION
发明人
FUJII, TAKASHI
分类号
H03F1/30;H03F3/30;H03F3/345;H03F3/72
主分类号
H03F1/30
代理机构
代理人
主权项
地址
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