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发明名称
摘要
申请公布号
US3892984(B1)
申请公布日期
1983.07.05
申请号
US19740442084
申请日期
1974.02.13
申请人
发明人
分类号
G11C11/419;G11C11/404;G11C11/406;G11C11/409;G11C11/4091
主分类号
G11C11/419
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