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公开(公告)号：US3423740A
公开(公告)日：1969-01-21
申请号：US3423740D
申请日：1965-06-30
Applicant: IBM
Inventor： BARREKETTE EUVAL S , DONATH ERIC , HERD HAROLD H
CPC classification number: H03K3/02 , G11C13/048 , G11C13/06
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