Home / Standards / QB/T 2533-2001 QB/T 2533-2001 Abolished 空调器用管路件 Standard Type QB ICS N/A CCS N/A Status Abolished Issue Date 2001-11-15 Implementation 2002-05-01 Centralized Committee 中国轻工业联合会 Issuing Authority 中国轻工业联合会