Home / Standards / CJ/T 503-2016 CJ/T 503-2016 Active 无线远传膜式燃气表 Standard Type CJ ICS N/A CCS N/A Status Active Issue Date 2016-09-06 Implementation 2017-03-01 Centralized Committee 住房和城乡建设部 Issuing Authority 住房和城乡建设部