Home / Standards / GB/T 22453 GB/T 22453 Active Test method for quality of borate nonlinear optical single crystal elements —2008 硼酸盐非线性光学单晶元件质量测试方法 -2008 Standard Type GBT ICS 31.26 CCS L51 Status 现行 Issue Date 2025-12-09 Implementation 2025-08-01 Responsible Dept N/A Drafting Unit N/A