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经营范围
发明名称
SEMICONDUCTOR DEVICE
摘要
申请公布号
JPS6442173(A)
申请公布日期
1989.02.14
申请号
JP19870198051
申请日期
1987.08.10
申请人
HITACHI LTD
发明人
SAGARA KAZUHIKO
分类号
H01L29/73;H01L21/331;H01L29/72;H01L29/732
主分类号
H01L29/73
代理机构
代理人
主权项
地址
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