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发明名称
摘要
申请公布号
DE2458806(B2)
申请公布日期
1981.03.19
申请号
DE19742458806
申请日期
1974.12.12
申请人
INTERNATIONAL BUSINESS MACHINES CORP., 10504 ARMONK, N.Y., US
发明人
CHANG, HSU, YORKTOWN HEIGHTS, N.Y., US
分类号
G11C19/08;H03M7/00;(IPC1-7):H03K13/24
主分类号
G11C19/08
代理机构
代理人
主权项
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