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公开(公告)号：US3372848A
公开(公告)日：1968-03-12
申请号：US50481065
申请日：1965-10-24
Applicant: LEESONA CORP
Inventor： MACDONALD WARREN E , HILBERT RICHARD G
CPC classification number: D02G1/0266 , B65H51/10 , B65H2701/31 , D01H13/182 , D02G1/02
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