
Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:2007)
出版:Standardiserings-Kommissionen I Sverige

专家解读视频
Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:2007)
出版:Standardiserings-Kommissionen I Sverige
专家解读视频