Home / Standards / JG/T 398-2019 JG/T 398-2019 Active 钢筋连接用灌浆套筒 Standard Type JG ICS N/A CCS N/A Status Active Issue Date 2019-10-28 Implementation 2020-06-01 Centralized Committee 住房和城乡建设部 Issuing Authority 住房和城乡建设部