美利体育登录入口官网:DIN EN ISO 9692-2:1999 焊接和相关工艺.接头的预处理.第2部分:钢的埋弧焊(ISO 9692-2-1998,包括技术勘误AC-1999)
Welding and allied processes - Joint preparation - Part 2: Submerged arc welding of steels (ISO 9692-2:1998, includes Corrigendum AC:1999); German version EN ISO 9692-2:1998 + AC:1999