China 'GB/T 18380.31-2022
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18380.31-2022
Tests on electric and optical fibre cables under fire conditions—Part 31: Test for vertical flame spread of vertically-mounted bunched wires or cables—Apparatus 电缆和光缆在火焰条件下的燃烧试验 第31部分:垂直安装的成束电线电缆火焰垂直蔓延试验 试验装置
Issued Date:2022/3/9
Implemented Date:2022/10/1
Issued by:
The Standardization Administration of the People's Republic of China
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