Home / Standards / GB/T 27903-2011 GB/T 27903-2011 Active Fire resistance test for lift landing doors - Methods of measuring integrity,thernal insulation and heat flux 电梯层门耐火试验 完整性、隔热性和热通量测定法 Standard Type GBT ICS 13.220.50 CCS C82 Status 现行 Issue Date 2011-12-30 Implementation 2012-04-01 Responsible Dept 国家消防救援局 Drafting Unit N/A