Home / Standards / GB/T 43344-2023 GB/T 43344-2023 Active Specification for magnetic materials (iron and sreel) for use in relays 继电器用磁性材料(铁和钢)规范 Standard Type GBT ICS 29.030 CCS K14 Status 现行 Issue Date 2023-11-27 Implementation 2024-06-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A