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经营范围
发明名称
SEMICONDUCTOR DEVICE
摘要
申请公布号
JPH03120823(A)
申请公布日期
1991.05.23
申请号
JP19890260430
申请日期
1989.10.04
申请人
NEC CORP
发明人
SAITO MANZO
分类号
H01L21/31
主分类号
H01L21/31
代理机构
代理人
主权项
地址
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