Home / Standards / QB/T 2440.4-1999 QB/T 2440.4-1999 Abolished 夹扭钳 水泵钳 Standard Type QB ICS N/A CCS N/A Status Abolished Issue Date 1999-05-06 Implementation 1999-12-01 Centralized Committee 国家轻工业局 Issuing Authority 国家轻工业局