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经营范围
发明名称
SEMICONDUCTOR DEVICES
摘要
申请公布号
GB1502230(A)
申请公布日期
1978.02.22
申请号
GB19760050820
申请日期
1976.12.06
申请人
IBM CORP
发明人
分类号
H01L21/3205;G03F1/00;G03F1/08;H01L21/306;H01L21/768;(IPC1-7):H01L21/28
主分类号
H01L21/3205
代理机构
代理人
主权项
地址
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