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公开(公告)号：US3271658A
公开(公告)日：1966-09-06
申请号：US19771862
申请日：1962-05-25
Applicant: IBM
Inventor： TSUNG-HSIEN CHENG
CPC classification number: H01F36/00 , G11C11/44 , H01F17/0006 , Y02E40/66 , Y10S505/857
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公开(公告)号：US3222544A
公开(公告)日：1965-12-07
申请号：US19777462
申请日：1962-05-25
Applicant: IBM
Inventor： TSUNG-HSIEN CHENG
IPC: G11C11/44
CPC classification number: G11C11/44
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