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11.
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
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公开(公告)号:US2989415A
公开(公告)日:1961-06-20
申请号:US70375157
申请日:1957-12-19
Applicant: IBM
Inventor: HORTON PAUL V , HAINES ROBERT S
IPC: G11B5/702
CPC classification number: G11B5/702 , Y10S428/90 , Y10T428/31681 , Y10T428/31797
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