ASTM D4956-2001a 标准详情
- 标准号:ASTM D4956-2001a
- 中文标题:交通管制用反光镜片标准规范
- 英文标题:Standard Specification for Retroreflective Sheeting for Traffic Control
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2001
1.1 This specification covers flexible, non-exposed glass bead lens and microprismatic, retroreflective sheeting designed for use on traffic control signs, delineators, barricades, and other devices. 1.2 The values stated in inch-pound units are to
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