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经营范围
发明名称
SEMICONDUCTOR DEVICE
摘要
申请公布号
JPH04139861(A)
申请公布日期
1992.05.13
申请号
JP19900264372
申请日期
1990.10.01
申请人
NEC CORP
发明人
AIBA MASATO
分类号
H01L23/50;H01L23/29;H01L23/31
主分类号
H01L23/50
代理机构
代理人
主权项
地址
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