Home / Standards / JB/T 6155.4-1992 JB/T 6155.4-1992 Abolished 静电复印机维修导则 维修质量评定及考核 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1992-05-15 Implementation 1993-01-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部