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公开(公告)号:US3208050A
公开(公告)日:1965-09-21
申请号:US12032361
申请日:1961-06-28
Applicant: IBM
Inventor: BIRD RICHARD C , STAFFORD THOMAS S
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公开(公告)号:CA763604A
公开(公告)日:1967-07-18
申请号:CA763604D
Applicant: IBM
Inventor: BIRD RICHARD C , STAFFORD THOMAS S
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3.
公开(公告)号:BE619414A
公开(公告)日:1962-10-15
申请号:BE619414
申请日:1962-06-26
Applicant: IBM
Inventor: BIRD RICHARD C , STAFFORD THOMAS S
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