Home / Standards / GB/T 37593-2019 GB/T 37593-2019 Active Cold-rolled grain-oriented electrical steel strip specialized for UHV transformers 特高压变压器用冷轧取向电工钢带 Standard Type GBT ICS 77.140.40 CCS H53 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A