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公开(公告)号：US3346087A
公开(公告)日：1967-10-10
申请号：US31137763
申请日：1963-09-25
Applicant: IBM
Inventor： GIANNINO COLOMBO , HOLT GEORGE A
CPC classification number: B41J19/64 , B41J19/58 , B41J29/42 , Y10T74/1946
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