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发明名称
摘要
申请公布号
FR2094024(A1)
申请公布日期
1972.02.04
申请号
FR19710015064
申请日期
1971.04.20
申请人
IBM
发明人
分类号
G01R31/26;H01L21/66;(IPC1-7):G01R31/00;H01L7/00
主分类号
G01R31/26
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代理人
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