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公开(公告)号：US2604930A
公开(公告)日：1952-07-29
申请号：US6641848
申请日：1948-12-21
Applicant: BUDD CO
Inventor： DEAN ALBERT G , CHANDLEE JR WILLIAM H
IPC: B61D33/00
CPC classification number: B61D33/00
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