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公开(公告)号：US3012734A
公开(公告)日：1961-12-12
申请号：US85908459
申请日：1959-11-13
Applicant: LEESONA CORP
Inventor： GOODHUE WILLIAM G , HIGGINS FRANK W
IPC: B65H63/08
CPC classification number: B65H63/082 , B65H2701/31
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