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经营范围
发明名称
SEMICONDUCTOR DEVICE
摘要
申请公布号
JPH03149827(A)
申请公布日期
1991.06.26
申请号
JP19890289469
申请日期
1989.11.07
申请人
SEIKO EPSON CORP
发明人
YAMADA MASAHIRO
分类号
H01L21/3205;H01L23/52
主分类号
H01L21/3205
代理机构
代理人
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