Home / Standards / JB/T 8539-1997 JB/T 8539-1997 Abolished 塑料挤出吹塑中空成型机 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1997-04-15 Implementation 1998-01-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部