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公开(公告)号:US2934696A
公开(公告)日:1960-04-26
申请号:US70637357
申请日:1957-12-31
Applicant: IBM
Inventor: WILLIAMS CLIFFORD W , SEELBACH WALTER C , DUMAS ALLAN M
IPC: G01R33/14
CPC classification number: G01R33/14
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公开(公告)号:US3278916A
公开(公告)日:1966-10-11
申请号:US18354062
申请日:1962-03-29
Applicant: IBM
Inventor: KISEDA JAMES R , PETERSEN HAROLD E , SEELBACH WALTER C , MICHAEL TEIG
CPC classification number: H03K3/45 , G11C11/06042
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