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发明名称
摘要
申请公布号	NL7211570(A)	申请公布日期	1973.02.27
申请号	NL19720011570	申请日期	1972.08.24
申请人		发明人
分类号	H01L21/22;H01L29/00;H01L29/93;(IPC1-7):H01L9/00;H01L7/44	主分类号	H01L21/22
代理机构		代理人
主权项
地址

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