Home / Standards / GB/T 42222-2022 GB/T 42222-2022 Active Laboratory glassware—Testing method and classification of optical uniformity 玻璃仪器 光学均匀性测试方法与分级 Standard Type GBT ICS 81.040.01 CCS N64 Status 现行 Issue Date 2022-12-30 Implementation 2023-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A