Home / Standards / GB/T 42901-2023 GB/T 42901-2023 Active Test methods of reinforcement couplers for mechanical splices of bars 钢筋机械连接件试验方法 Standard Type GBT ICS 77.140.60 CCS H44 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A