Home / Standards / GB/T 34184-2017 GB/T 34184-2017 Active Test method for infrared refractive index of infrared optical glass—The deflection angle measurement 红外光学玻璃红外折射率测试方法 偏折角法 Standard Type GBT ICS 81.040.10 CCS Q37 Status 现行 Issue Date 2017-09-07 Implementation 2018-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A