GB/T 2521.2-2016全工艺冷轧电工钢第2部分:晶粒取向钢带(片)国家标准
英文:Cold-rolled electrical steel delivered in the fully-processed state—Part 2: Grain-oriented steel strip(sheet) GB/T 25...
英文:Cold-rolled electrical steel delivered in the fully-processed state—Part 2: Grain-oriented steel strip(sheet) GB/T 25...