
Heat-treatable steels, alloy steels and free-cutting steels - Part 1: Non-alloy steels for quenching and tempering (ISO 683-1:2016)
出版:Osterreichisches Normungsinstitut/Austrian Standards

专家解读视频
Heat-treatable steels, alloy steels and free-cutting steels - Part 1: Non-alloy steels for quenching and tempering (ISO 683-1:2016)
出版:Osterreichisches Normungsinstitut/Austrian Standards
专家解读视频