Home / Standards / GB/T 31097-2014 GB/T 31097-2014 Active Performance evaluation of coal combustion-aid additives for coal 燃煤助燃剂助燃效果评价方法 Standard Type GBT ICS 73.040 CCS D20 Status 现行 Issue Date 2014-12-22 Implementation 2015-06-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A