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EN 174:2001基本测试项目
- Materials and finish 材料品质和外观
- Ventilation 通风
- Vision of Area 视野
- Optical power 光学度数
- Transmittance 透射比
- Diffusion of light 散射光
- Resistance to ultraviolet radiation 抗UV辐射
- Mechanical strength 机械强度
- Protection against water and snow 防水和防雪
- Resistance to ignition 阻燃
- Suitability for cleaning and care 清洁和护理适用性
- Marking and information 资料和标签