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公开(公告)号：US2547476A
公开(公告)日：1951-04-03
申请号：US70051946
申请日：1946-10-01
Applicant: WHITE METAL MFG COMPANY
Inventor： EMIL LEHMANN
IPC: B65G17/12
CPC classification number: B65G17/126 , B65G2201/04
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公开(公告)号：US2572164A
公开(公告)日：1951-10-23
申请号：US75781547
申请日：1947-06-28
Applicant: WHITE METAL MFG COMPANY
Inventor： EMIL LEHMANN
CPC classification number: C21D9/00 , B65H67/06 , B65H75/18 , B65H2701/31
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