Home / Standards / JB/T 7419-1994 JB/T 7419-1994 Active 轴承套圈磨床 系列型谱 Standard Type JB ICS N/A CCS N/A Status Active Issue Date 1994-09-06 Implementation 1995-07-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部