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公开(公告)号:US3490672A
公开(公告)日:1970-01-20
申请号:US3490672D
申请日:1968-06-17
Applicant: IBM
Inventor: FISHER GENE A , WINKLE HOWARD E VAN
公开(公告)号:US3490672A
公开(公告)日:1970-01-20
申请号:US3490672D
申请日:1968-06-17
Applicant: IBM
Inventor: FISHER GENE A , WINKLE HOWARD E VAN