Home / Standards / GB/T 9105-1988 GB/T 9105-1988 Abolished Glass blanks of photochromic spectacle lens 光致变色玻璃眼镜片毛坯 Standard Type GBT ICS N/A CCS Y22 Status Abolished Issue Date 1988-04-30 Implementation 1988-10-01 Centralized Committee 中国轻工业联合会 Issuing Authority 中国轻工业联合会