Home / Standards / QB 1614-1992 QB 1614-1992 Abolished 难燃聚氯乙烯电线槽及配件 Standard Type QB16 ICS N/A CCS N/A Status Abolished Issue Date 1992-11-10 Implementation 1993-07-01 Centralized Committee 轻工业部 Issuing Authority 轻工业部