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公开(公告)号：US3526369A
公开(公告)日：1970-09-01
申请号：US3526369D
申请日：1967-11-09
Applicant: LEESONA CORP
Inventor： BECKWITH WALTER L JR
CPC classification number: B65H54/543 , B65H2701/31 , Y10T279/1037 , Y10T279/1074 , Y10T279/19 , Y10T279/243
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