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发明名称
SYSTEM FOR REFRESHING DRAM
摘要
申请公布号
JPH01173492(A)
申请公布日期
1989.07.10
申请号
JP19870334124
申请日期
1987.12.28
申请人
NEC CORP
发明人
OGURI TAKASHI
分类号
G11C11/406;G11C11/34
主分类号
G11C11/406
代理机构
代理人
主权项
地址
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