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公开(公告)号：US2505354A
公开(公告)日：1950-04-25
申请号：US69077846
申请日：1946-08-15
Applicant: US RUBBER CO
Inventor： GARTRELL ROBERT D , CARROLL WILLIAM D , HANSEN ALBERT W
CPC classification number: B65G15/34 , B65G2201/06 , F16G1/04
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