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公开(公告)号：US2366663A
公开(公告)日：1945-01-02
申请号：US46699042
申请日：1942-11-26
Applicant: STANDARD PRODUCTS CO
Inventor： WEIGEL DANIEL M
IPC: B21K1/00
CPC classification number: B21K21/06 , Y10T29/49915 , Y10T29/49917
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