变压器和电感器叠片|沙特标准|SASO-IEC-60740-2
　　
　　SASO-IEC-60740-2
　　
　　Laminations for transformers and inductors for use in telecommunication and electronic equipment – Part 2: Specification for the minimum permeabilities of laminations made of soft magnetic metallic materials
　　
　　通信和电子设备用变压器和电感器叠片第2部分：软磁金属材料叠片最小磁导率规范