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公开(公告)号：US3039682A
公开(公告)日：1962-06-19
申请号：US63192556
申请日：1956-12-31
Applicant: IBM
Inventor： EDMINSTER ROBERT E , FRITZ ELLIOT L , FURR ROBERT J , VALEHRACH EMIL M , WEIDENHAMMER JAMES A
IPC: B07C1/04 , B65H3/04 , B65H3/52 , G06K13/07 , G06K13/103
CPC classification number: B65H3/042 , B07C1/04 , B65H3/5269 , G06K13/07 , G06K13/103
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