Home / Standards / JG/T 297-2010 JG/T 297-2010 Abolished 建筑内电缆布线用安装式耦合器 Standard Type JG ICS N/A CCS N/A Status Abolished Issue Date 2010-10-25 Implementation 2011-05-01 Centralized Committee 住房和城乡建设部 Issuing Authority 住房和城乡建设部