Home / Standards / GB/T 28209-2023 GB/T 28209-2023 Active Methods for chemical analysis of borosilicate glasses 硼硅酸盐玻璃化学分析方法 Standard Type GBT ICS 81.040.01 CCS N64 Status 现行 Issue Date 2023-03-17 Implementation 2023-10-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A