Home / Standards / GB/T 18712-2002 GB/T 18712-2002 Active Methods for evaluating flocculants for use incoal preparation 选煤用絮凝剂性能试验方法 Standard Type GBT ICS 73.040 CCS D27 Status 现行 Issue Date 2002-04-28 Implementation 2002-11-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A