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公开(公告)号:US3159823A
公开(公告)日:1964-12-01
申请号:US34822364
申请日:1964-02-28
Applicant: LAB FOR ELECTRONICS INC
Inventor: DOW FREDERICK J T , MORLEY RICHARD E , GORMAN WILLIAM J
CPC classification number: G11B23/021 , G11B23/0323
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公开(公告)号:US3334193A
公开(公告)日:1967-08-01
申请号:US31865663
申请日:1963-10-24
Applicant: LAB FOR ELECTRONICS INC
Inventor: DOW FREDERICK J T
CPC classification number: G11B20/00007 , G11B5/4886 , G11B5/53 , G11B5/6005
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