Home / Standards / QB/T 2049.8-1994 QB/T 2049.8-1994 Abolished 电光源玻壳 R型玻壳尺寸系列 Standard Type QB ICS N/A CCS N/A Status Abolished Issue Date 1995-01-05 Implementation 1995-08-01 Centralized Committee 中国轻工总会 Issuing Authority 中国轻工总会