GB/Z 39942-2021应用GB/T20145评价光源和灯具的蓝光危害标准
英文:Application of GB/T 20145 for the assessment of blue light hazard to light sources and luminaires GB/Z 39942-2021介绍: ...
英文:Application of GB/T 20145 for the assessment of blue light hazard to light sources and luminaires GB/Z 39942-2021介绍: ...