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发明名称
摘要
申请公布号
DE2121834(A1)
申请公布日期
1971.11.11
申请号
DE19712121834
申请日期
1971.05.04
申请人
WESTERN ELECTRIC CO
发明人
分类号
H01L21/00;H01L21/308;H01L23/29;(IPC1-7):C23F1/02
主分类号
H01L21/00
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