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经营范围
发明名称
DIFFERENTIAL AMPLIFYING CIRCUIT
摘要
申请公布号
JPH02142210(A)
申请公布日期
1990.05.31
申请号
JP19880296555
申请日期
1988.11.24
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
ISHIHARA NOBORU
分类号
H03F3/45
主分类号
H03F3/45
代理机构
代理人
主权项
地址
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