Home / Standards / QB/T 2346-1997 QB/T 2346-1997 Abolished 牙膏用二氧化硅 Standard Type QB ICS N/A CCS N/A Status Abolished Issue Date 1998-01-16 Implementation 1998-09-01 Centralized Committee 中国轻工总会 Issuing Authority 中国轻工总会