Home / Standards / JG/T 251-2009 JG/T 251-2009 Abolished 建筑用遮阳金属百叶窗 Standard Type JG ICS N/A CCS N/A Status Abolished Issue Date 2009-06-18 Implementation 2009-12-01 Centralized Committee 住房和城乡建设部 Issuing Authority 住房和城乡建设部