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公开(公告)号:US3253232A
公开(公告)日:1966-05-24
申请号:US16310761
申请日:1961-12-29
Applicant: IBM
Inventor: HAROLD SOBOL , SCHLIG EUGENE S
CPC classification number: G11C11/44 , H03B15/00 , Y10S505/854
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公开(公告)号:US3202833A
公开(公告)日:1965-08-24
申请号:US8345661
申请日:1961-01-18
Applicant: IBM
Inventor: BERTUCH CHARLES J , MEYERS NORMAN H , HAROLD SOBOL
CPC classification number: H03K3/38 , Y10S505/861
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