Home / Standards / JB/T 6065-1992 JB/T 6065-1992 Abolished 磁粉探伤用标准试片 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1992-05-05 Implementation 1993-07-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部