
Hot rolled flat products made of high yield strength steels for cold forming Part 1: General technical delivery conditions
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Hot rolled flat products made of high yield strength steels for cold forming Part 1: General technical delivery conditions
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频