
BS EN ISO 15614-13. Specification and qualification of welding procedures for metallic materials. Welding procedure test. Part 13. Resistance butt (upset) and flash welding
出版:British Standards Institution

专家解读视频
BS EN ISO 15614-13. Specification and qualification of welding procedures for metallic materials. Welding procedure test. Part 13. Resistance butt (upset) and flash welding
出版:British Standards Institution
专家解读视频