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发明名称
摘要
申请公布号
GB1252814(A)
申请公布日期
1971.11.10
申请号
GBD1252814
申请日期
1969.04.08
申请人
发明人
分类号
G11C11/39;H01L47/00;H03K3/02
主分类号
G11C11/39
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代理人
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地址
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