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经营范围
发明名称
DIFFERENTIAL CIRCUIT
摘要
申请公布号
JPH057114(A)
申请公布日期
1993.01.14
申请号
JP19910181972
申请日期
1991.06.26
申请人
NEC CORP
发明人
KIMURA KATSUHARU
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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