GB/T 39930-2021.Organic light emitting diode (OLED) panels for general lighting-Performance requirem...
GB国家标准
GB国家标准
GB国家标准
GB/T 39930-2021 普通照明用有机发光二极管(OLED)面板 性能要求
GB/T 39930-2021.Organic light emitting diode (OLED) panels for general lighting-Performance requirem...