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'sunlight'
China GB Standards List

 GB/T 20236-2015  
Accelerated outdoor weathering test methods for nonmetallic materials using concentrated natural sunlight
非金属材料的聚光加速户外暴露试验方法
 GB/T 50947-2014  
Standard for assessment parameters of sunlight on building
建筑日照计算参数标准
 GB/T 18753-2002  
sunlight excitation color variable printing ink
日光激发变色防伪油墨

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