Home / Standards / JB/T 7349-1994 JB/T 7349-1994 Abolished 混流式水轮机焊接转轮不锈钢叶片铸件 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1994-07-18 Implementation 1995-07-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部