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1.Apparatus for the manufacture of steel reinforcing bar for concrete structures and the like 失效
标题翻译: 用于制造混凝土结构钢筋的装置等公开(公告)号:US2598039A
公开(公告)日:1952-05-27
申请号:US7890449
申请日:1949-03-01
申请人: WEBRIB STEEL CORP
发明人: DE FAZI FULVIO
CPC分类号: B23C3/00 , B23C3/02 , Y10T409/309632