Home / Standards / JB/T 5125-1991 JB/T 5125-1991 Abolished 农用硬聚氯乙烯管材 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1991-05-17 Implementation 1992-01-01 Centralized Committee 机械电子工业部 Issuing Authority 机械电子工业部