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发明名称
摘要
申请公布号
GB1259184(A)
申请公布日期
1972.01.05
申请号
GBD1259184
申请日期
1969.03.28
申请人
发明人
分类号
G11C27/02;H03F3/72;H03K17/60;H03K17/74
主分类号
G11C27/02
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代理人
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