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公开(公告)号：US3153475A
公开(公告)日：1964-10-20
申请号：US23373462
申请日：1962-10-29
Applicant: ST REGIS PAPER CO
Inventor： SWANSON VICTOR E
IPC: B65G15/02
CPC classification number: B65G15/02 , B65G2201/04
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