Home / Standards / JB/T 7427-1994 JB/T 7427-1994 Abolished 滚子链和套筒链、链轮滚刀 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1994-09-06 Implementation 1995-07-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部