中華人民共和國國家標準
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 自然日光氣候老化、玻璃過濾後日光氣候老化和菲涅耳鏡加速日光氣候老化的暴露試驗方法
Issued Date:2011-12-30
Implemented Date:2012-10-01
Issued by:
The Standardization Administration of the People's Republic of China
GACC注冊清單
