DIN EN ISO 15610 E:2023 金属材料焊接工艺规范和鉴定 根据测试焊接耗材鉴定 (ISO/FDIS 15610:2023) 草案
Draft Document - Specification and qualification of welding procedures for metallic materials - Qualification based on tested welding consumables (ISO/FDIS 15610:2023); German and English version prEN ISO 15610:2023