Home / Standards / CJ/T 129-2000 CJ/T 129-2000 Active 玻璃纤维增强塑料外护层聚氨酯泡沫塑料预制直埋保温管 Standard Type CJ ICS N/A CCS N/A Status Active Issue Date 2001-02-05 Implementation 2001-06-01 Centralized Committee 建设部 Issuing Authority 建设部