Home / Standards / GB/T 25177-2010 GB/T 25177-2010 Active Recycled coarse aggregate for concrete 混凝土用再生粗骨料 Standard Type GBT ICS 91.100.30 CCS Q13 Status 现行 Issue Date 2010-09-26 Implementation 2011-08-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A