Home / Standards / GB/T 31540.3-2015 GB/T 31540.3-2015 Active Fire safety engineering guide—Part 3: Structural response and fire spread beyond the enclosure of origin 消防安全工程指南 第3部分:结构响应和室内火灾的对外蔓延 Standard Type GBT ICS 13.220.01 CCS C84 Status 现行 Issue Date 2015-05-15 Implementation 2015-08-01 Responsible Dept 国家消防救援局 Drafting Unit N/A