美利体育登录入口官网:DIN EN ISO 18278-1:2023-06 电阻焊-可焊性-第1部分:金属材料电阻点焊、缝焊和凸焊可焊性评价的一般要求
Resistance welding - Weldability - Part 1: General requirements for the evaluation of weldability for resistance spot, seam and projection welding of metallic materials (ISO 18278-1:2022); German version EN ISO 18278-1:2022