Home / Standards / JB/T 9163.13-1999 JB/T 9163.13-1999 Abolished 锥度磨齿心轴 尺寸 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1999-05-20 Implementation 2000-01-01 Centralized Committee 国家机械工业局 Issuing Authority 国家机械工业局