Home / Standards / JG/T 11-2009 JG/T 11-2009 Active 钢网架焊接空心球节点 Standard Type JG ICS N/A CCS N/A Status Active Issue Date 2009-09-16 Implementation 2010-03-01 Centralized Committee 住房和城乡建设部 Issuing Authority 住房和城乡建设部