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公开(公告)号：US2128389A
公开(公告)日：1938-08-30
申请号：US5000335
申请日：1935-11-15
Applicant: NAT RADIATOR CORP
Inventor： YOUNG JOHN L , CAMERON JEPHSON ALLEN
IPC: C21D8/04
CPC classification number: C21D8/0478 , C21D8/0447
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