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公开(公告)号:US2566932A
公开(公告)日:1951-09-04
申请号:US5128248
申请日:1948-09-25
Applicant: IBM
Inventor: DAYGER JONAS E , HOLLIS EDWIN M
CPC classification number: B41J11/42
公开(公告)号:US2566932A
公开(公告)日:1951-09-04
申请号:US5128248
申请日:1948-09-25
Applicant: IBM
Inventor: DAYGER JONAS E , HOLLIS EDWIN M
CPC classification number: B41J11/42