Home / Standards / CJ/T 442-2013 CJ/T 442-2013 Active 建筑排水低噪声硬聚氯乙烯(PVC-U)管材 Standard Type CJ ICS N/A CCS N/A Status Active Issue Date 2013-12-03 Implementation 2014-03-01 Centralized Committee 住房和城乡建设部 Issuing Authority 住房和城乡建设部