标题: ISO 2553-2019 Welding and allied processes — Symbolic representation on drawin [打印本页] 作者: cc523pate 时间: 2021-8-10 19:06:16 标题: ISO 2553-2019 Welding and allied processes — Symbolic representation on drawin
ISO 2553-2019 Welding and allied processes — Symbolic representation on drawings — Welded joints