Home / Standards / GB/T 33279-2017 GB/T 33279-2017 Abolished Ribbed bars for track panel 轨道板用钢筋 Standard Type GBT ICS 77.140.60 CCS H44 Status 废止 Issue Date 2017-02-28 Implementation 2017-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A