NEN EN 12899-6-2009 标准详情
- 标准号:NEN EN 12899-6-2009
- 中文标题:
- 英文标题:Fixed Vertical Road Traffic Signs - Part 6: Visual Performance Of Retroreflective Sheeting Materials
- 标准类别:荷兰国家标准NEN
- 发布日期:
Defines the visual performance for road users of retroreflective sheeting materials, as expressed by their retroreflection in vehicle headlamp illumination and their reflection and chromaticity in daylight.
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