Home / Standards / GB/T 2565-2014 GB/T 2565-2014 Active Determination of grindability index of coal―Hardgrove method 煤的可磨性指数测定方法 哈德格罗夫法 Standard Type GBT ICS 73.040 CCS D21 Status 现行 Issue Date 2014-03-27 Implementation 2014-10-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A