Home / Standards / GB/T 15546-2022 GB/T 15546-2022 Active Terms of mill rolls 冶金轧辊术语 Standard Type GBT ICS 77.180 CCS H90 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A