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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 38396-2019 |
Pitch products of coal carbonization—Determination of mesophase content—Microscopical analysis by reflected light 焦化沥青类产品 中间相含量的测定 光反射显微分析方法 |
China National Standards reflected |
 English PDF |
| GB/T 27583-2011 |
Optical functional films - Determination of reflected glare 光学功能薄膜 反射眩光性能测试方法 |
China National Standards reflected |
English PDF |
| GB/T 21383-2008 |
Coefficient of initial retroreflected luminance of newly applied pavement marking and test method 新划路面标线初始逆反射亮度系数及测试方法 |
China National Standards reflected |
English PDF |
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