China 'GB/T 5169.20-2021
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 5169.20-2021
Fire hazard testing for electric and electronic products—Part 20: Surface spread of flame—Summary and relevance of test methods 电工电子产品着火危险试验 第20部分:火焰表面蔓延 试验方法概要和相关性
Issued Date:2021/10/11
Implemented Date:2022/5/1
Issued by:
The Standardization Administration of the People's Republic of China