Home / Standards / JT/T 657-2006 JT/T 657-2006 Abolished 交通钢构件聚苯胺防腐涂料 Standard Type JT ICS N/A CCS N/A Status Abolished Issue Date 2006-06-23 Implementation 2006-10-01 Centralized Committee 交通部 Issuing Authority 交通部