Home / Standards / CJ/T 491-2016 CJ/T 491-2016 Active 燃气用具连接用橡胶复合软管 Standard Type CJ ICS N/A CCS N/A Status Active Issue Date 2016-06-01 Implementation 2016-12-01 Centralized Committee 住房和城乡建设部 Issuing Authority 住房和城乡建设部