Home / Standards / JB/T 6103-1992 JB/T 6103-1992 Abolished 型材卷弯机型式和基本参数 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1992-05-16 Implementation 1993-01-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部