1CS77.140.40H53B中华人民共和国国家标准GB/T2521.2-2016部分代替GB/T2521-一2008全工艺冷轧电工钢第2部分：晶粒取向钢带（片）Cold-rolled electrical steel delivered in the fully-processed state-Part 2:Grain-oriented steel strip(sheet)(IEC 60404-8-7:2008,Magnetic materials-Part 8-7:Specifications forindividual materials-Cold-rolled grain-oriented electrical steel stripand sheet delivered in the fully-processed state,MOD)2016-06-14发布2017-05-01实施中华人民共和国国家质量监督检验检疫总局中国国家标准化管理委员会发布
