Home / Standards / GB/T 31593.6-2015 GB/T 31593.6-2015 Active Fire safety engineering—Part 6: Requirements governing algebraic equations for smoke layers 消防安全工程 第6部分:烟气层的计算要求 Standard Type GBT ICS 13.220.01 CCS C80 Status 现行 Issue Date 2015-06-02 Implementation 2015-08-01 Responsible Dept 国家消防救援局 Drafting Unit N/A