Home / Standards / GB/T 9978.3-2026 GB/T 9978.3-2026 Upcoming Fire-resistance tests of building elements—Part 3: Guide to application of test methods and results 建筑构件耐火试验方法 第3部分:试验方法和试验结果应用指南 Standard Type GBT ICS 13.220.50 CCS C82 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 国家消防救援局 Drafting Unit N/A