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公开(公告)号:US3279945A
公开(公告)日:1966-10-18
申请号:US29133063
申请日:1963-06-28
Applicant: IBM
Inventor: HAINES ROBERT S , WALSH THOMAS J
CPC classification number: H01F17/04
公开(公告)号:US3279945A
公开(公告)日:1966-10-18
申请号:US29133063
申请日:1963-06-28
Applicant: IBM
Inventor: HAINES ROBERT S , WALSH THOMAS J
CPC classification number: H01F17/04