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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JT/T 690-2022 |
Method for measuring photometric properties of retroreflectors {译} 逆反射体光度性能测量方法 |
China Transport Industry
Standards retroreflectors |
 English PDF |
| JT/T 690-2007 |
Test method for photometric characteristics of retroreflectors 逆反射体光度性能测试方法 |
China Highway & Transportation
Standards retroreflectors |
English PDF |
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