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公开(公告)号:US3544994A
公开(公告)日:1970-12-01
申请号:US3544994D
申请日:1967-10-02
Applicant: IBM
Inventor: HANSON CHARLES C , HO JOSEPH P L , SEGAR LAWRENCE P
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公开(公告)号:CA961416A
公开(公告)日:1975-01-21
申请号:CA159468
申请日:1972-12-20
Applicant: IBM
Inventor: HANSON CHARLES C , HOUDEK MERLE E , HO JOSEPH P L
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