Home / Standards / GB/T 24509-2009 GB/T 24509-2009 Active Composite wood floor of fire retardant 阻燃木质复合地板 Standard Type GBT ICS 79.080 CCS B70 Status 现行 Issue Date 2009-10-30 Implementation 2010-04-01 Responsible Dept 国家林草局 Drafting Unit 国家林草局