Home / Standards / QB/T 1703-1993 QB/T 1703-1993 Active 日用陶瓷火焰隧道窑等级评定办法与评定标准 Standard Type QB ICS N/A CCS N/A Status Active Issue Date 1993-03-28 Implementation 1993-10-01 Centralized Committee 轻工业部 Issuing Authority 轻工业部