Home / Standards / GB/T 28690-2012 GB/T 28690-2012 Active Resin-bonded sand reclamation equipment - Technical requirements 树脂砂再生成套设备 技术条件 Standard Type GBT ICS 25.120.30 CCS J61 Status 现行 Issue Date 2012-09-03 Implementation 2013-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A