高硬度高电阻铁镍软磁合金冷轧带材 (GB/T 14987-2016) Iron-Nickel soft magnetic alloy cold-rolled strips withnhigh hardness and high electrical resistance 代替GB/T 14987-1994 发布时间: 2016-12-13 实施时间: 2017-09-01 阅读数量: (88) 标准分类: H 冶金