Home / Standards / GB/T 5169.31-2022 GB/T 5169.31-2022 Active Fire hazard testing for electric and electronic products—Part 31: Surface spread of flame—General guidance 电工电子产品着火危险试验 第31部分：火焰表面蔓延 总则 Standard Type GBT ICS 13.220.40;29.020 CCS K 04 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A