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公开(公告)号：US3089611A
公开(公告)日：1963-05-14
申请号：US83846959
申请日：1959-09-08
Applicant: MATHEWS CONVEYOR COMPANY
Inventor： FORSYTH EMIL J , WEIGLE JR WILLIAM J
IPC: B65G1/08
CPC classification number: B65G1/08
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