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经营范围
发明名称
Dynamic memory with a refresh control circuit
摘要
申请公布号
EP0409274(B1)
申请公布日期
1996.05.15
申请号
EP19900113975
申请日期
1990.07.20
申请人
NEC CORPORATION
发明人
HOSHI, KATSUJI
分类号
G11C11/4074;G11C11/4076;G11C11/406;(IPC1-7):G11C11/406
主分类号
G11C11/4074
代理机构
代理人
主权项
地址
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