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公开(公告)号：US3041820A
公开(公告)日：1962-07-03
申请号：US83307559
申请日：1959-08-11
Applicant: TIMMERMAN CLAY G
Inventor： TIMMERMAN CLAY G
CPC classification number: B65G17/00 , B25B27/22 , B65G2201/06
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