Home / Standards / JB/T 7257-1994 JB/T 7257-1994 Abolished 行车式提板刮渣刮砂机 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