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公开(公告)号：US3015484A
公开(公告)日：1962-01-02
申请号：US5468060
申请日：1960-09-08
Applicant: IBM
Inventor： KISTNER HAROLD J , PAJEREK JOSEPH J
IPC: B65H3/24
CPC classification number: B65H3/24 , B65H2301/42322
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