Home / Standards / GB/T 31379.1-2025 GB/T 31379.1-2025 Active Test methods for polarizers of flat panel displays—Part 1: Physical and chemical properties 平板显示器偏光片测试方法 第1部分:理化性能 Standard Type GBT ICS 31.030 CCS L90 Status 现行 Issue Date 2025-03-28 Implementation 2025-10-01 Responsible Dept 国家标准委 Drafting Unit N/A