NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 3681-2011
Plastics methods of exposure to direct weathering, to weathering using glass-filtered daylight, and to intensified weathering by daylight using Fresnel mirrors 塑料 自然日光气候老化、玻璃过滤后日光气候老化和菲涅耳镜加速日光气候老化的暴露试验方法
Issued Date:2011-12-30
Implemented Date:2012-10-01
Issued by:
The Standardization Administration of the People's Republic of China
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