Home / Standards / GB/T 9978.7-2008 GB/T 9978.7-2008 Active Fire-resistance tests - Elements of building construction - Part 7: Specific requirements for columns 建筑构件耐火试验方法 第7部分：柱的特殊要求 Standard Type GBT ICS 13.220.50 CCS C82 Status 现行 Issue Date 2008-06-26 Implementation 2009-03-01 Responsible Dept 国家消防救援局 Drafting Unit N/A