Home / Standards / QB/T 1647-1992 QB/T 1647-1992 Active 无基材聚氯乙烯塑料卷材地板 Standard Type QB ICS N/A CCS N/A Status Active Issue Date 1993-01-15 Implementation 1993-09-01 Centralized Committee 轻工业部 Issuing Authority 轻工业部