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发明名称
Core matrix
摘要
申请公布号
US2778005(A)
申请公布日期
1957.01.15
申请号
US19550482980
申请日期
1955.01.20
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
ALLEN LLOYD W.
分类号
G11C5/04;G11C11/06
主分类号
G11C5/04
代理机构
代理人
主权项
地址
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