Home / Standards / GB/T 31248-2014 GB/T 31248-2014 Active Test methods for the measurement of flame spread, heat release and smoke production on electric or optical fibre cables under fire conditions 电缆或光缆在受火条件下火焰蔓延、热释放和产烟特性的试验方法 Standard Type GBT ICS 13.220.40 CCS C84 Status 现行 Issue Date 2014-12-05 Implementation 2015-04-01 Responsible Dept 国家消防救援局 Drafting Unit N/A