Home / Standards / GB/T 29051-2012 GB/T 29051-2012 Active Concrete of flame retardant asphalt for road engineering 道路用阻燃沥青混凝土 Standard Type GBT ICS 93.080.20 CCS Q20 Status 现行 Issue Date 2012-12-31 Implementation 2013-09-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A