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公开(公告)号：SE335928B
公开(公告)日：1971-06-14
申请号：SE62069
申请日：1969-01-17
Applicant: IBM
Inventor： FACKLER C , JOHNSON F , RIDINGS C , WING W , WEHMER B , CATER J
IPC: G11B19/02 , G11B25/06 , H01H15/18 , H01H23/24 , G11B21/12
