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经营范围
发明名称
MULTIPLE STAGE MEMORY DEVICE
摘要
申请公布号
JPS5271138(A)
申请公布日期
1977.06.14
申请号
JP19750146428
申请日期
1975.12.10
申请人
HITACHI LTD
发明人
IZUMI CHIKAHIKO;GOTOU FUMIO
分类号
G06F9/38;G06F9/06;G06F12/08;G06F13/00;G11C7/00
主分类号
G06F9/38
代理机构
代理人
主权项
地址
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