Home / Standards / GB 13014-1991 GB 13014-1991 Abolished Remained heat treatment ribbed steel bars forthe reinforcement of concrete 钢筋混凝土用余热处理钢筋 Standard Type GB ICS 77.140.60 CCS H44 Status 废止 Issue Date 1991-06-22 Implementation 1992-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A