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公开(公告)号：US2485166A
公开(公告)日：1949-10-18
申请号：US74113547
申请日：1947-04-12
Applicant: ST REGIS PAPER CO
Inventor： ANDREW REPAS
IPC: B21D51/38
CPC classification number: B21D51/38 , Y10T29/53657 , Y10T29/5383
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