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公开(公告)号：US3461449A
公开(公告)日：1969-08-12
申请号：US3461449D
申请日：1965-05-25
Applicant: IBM
Inventor： BASKIN HERBERT B , EVANS PAUL F , RITTENHOUSE LARRY E
CPC classification number: H03M1/00 , G05B19/291 , G05B2219/42212 , H03M1/08
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