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公开(公告)号：US2936506A
公开(公告)日：1960-05-17
申请号：US82140459
申请日：1959-06-19
Applicant: ARISTA MILLS COMPANY
Inventor： BUTLER JR ALBERT L , CHANDLER JAMES D
CPC classification number: D06H3/04 , B65H20/32 , B65H2408/212
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