China 'GB/T 17651.2-2021
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 17651.2-2021
Measurement of smoke density of cables or optical fiber cables burning under defined conditions - Part 2: Test procedure and requirements 电缆或光缆在特定条件下燃烧的烟密度测定 第2部分:试验程序和要求
Issued Date:2021/4/30
Implemented Date:2021/11/1
Issued by:
The Standardization Administration of the People's Republic of China