DIN EN ISO 15609-5-2012 金属材料焊接程序的规范和合格评定.焊接程序规范.第5部分:电阻焊接
Specification and qualification of welding procedures for metallic materials - Welding procedure specification - Part 5: Resistance welding (ISO 15609-5:2011); German version EN ISO 15609-5:2011