Home / Standards / CJ/T 321-2010 CJ/T 321-2010 Active 铝合金衬塑复合管材与管件 Standard Type CJ ICS N/A CCS N/A Status Active Issue Date 2010-01-14 Implementation 2010-06-01 Centralized Committee 住房和城乡建设部 Issuing Authority 住房和城乡建设部