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经营范围
发明名称
DIFFERENTIAL CIRCUIT
摘要
申请公布号
JPH0338920(A)
申请公布日期
1991.02.20
申请号
JP19890174630
申请日期
1989.07.05
申请人
NEC CORP
发明人
RAI YASUHIKO
分类号
H03K19/0952
主分类号
H03K19/0952
代理机构
代理人
主权项
地址
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