Home / Standards / QB/T 2253-1996 QB/T 2253-1996 Abolished 缝纫机铝合金压铸件通用技术条件 Standard Type QB ICS N/A CCS N/A Status Abolished Issue Date 1996-11-15 Implementation 1997-07-01 Centralized Committee 中国轻工总会 Issuing Authority 中国轻工总会