Home / Standards / GB/T 32561.4-2022 GB/T 32561.4-2022 Active Measuring methods for chalcogenide infrared optical glass—Part 4: Coefficient of optical absorption 红外光学硫系玻璃测试方法 第4部分:光吸收系数 Standard Type GBT ICS 81.040.10 CCS Q37 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 中国兵器工业集团公司 Drafting Unit N/A