Home / Standards / GB/T 34749-2017 GB/T 34749-2017 Active Fire-resistance tests for wood and wood composite material—Cone calorimeter method 木材及木质复合材料耐火试验方法 锥形量热仪法 Standard Type GBT ICS 79.010 CCS B69 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 国家林草局 Drafting Unit N/A