美利体育登录入口官网:LST EN ISO 12004-1:2009 金属材料 板材和带材 成形极限曲线的测定 第1部分:冲压车间成形极限图的测量和应用(ISO 12004-1:2008)
Metallic materials - Sheet and strip - Determination of forming-limit curves - Part 1: Measurement and application of forming-limit diagrams in the press shop (ISO 12004-1:2008)