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公开(公告)号：US2507094A
公开(公告)日：1950-05-09
申请号：US55315044
申请日：1944-09-08
Applicant: STEWART WARNER CORP
Inventor： COLLINS ARTHUR R , LESLIE JOHN H , NOVAK CHARLES T
IPC: B21D53/02
CPC classification number: B21D53/027 , Y10T29/49377 , Y10T29/49805 , Y10T29/49881
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