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公开(公告)号：US1695531A
公开(公告)日：1928-12-18
申请号：US2098025
申请日：1925-04-06
Applicant: BUDD WHEEL CO
Inventor： BUDD EDWARD G
IPC: B21H1/10
CPC classification number: B21H1/10 , Y10T29/49531
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