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发明名称
摘要
申请公布号
DE2457552(C3)
申请公布日期
1981.05.27
申请号
DE19742457552
申请日期
1974.12.05
申请人
INTERNATIONAL BUSINESS MACHINES CORP., 10504 ARMONK, N.Y., US
发明人
ZAPPE, HANS HELMUT, GRANITE SPRINGS, N.Y., US
分类号
G11C11/44;H01L39/22;(IPC1-7):G11C11/44
主分类号
G11C11/44
代理机构
代理人
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