| 1. | Classification for hardgrove grindability index of coal 煤的哈氏可磨性指数分级 |
| 2. | Determination of grindability index of coal hardgrove method 煤的可磨性指数测定方法 |
| 3. | Determination of grindability index of coal hardgrove metho 煤的可磨性指数测定方法哈德格罗夫法 |
| 4. | Test method for hardgrove grindability index of petroleum coke 石油焦哈德格罗夫可磨性指数的试验方法 |
| 5. | Hgi standard test method for the hardgrove grindability index of petroleum coke 石油焦的哈德哥鲁夫可磨性指数 |
| 6. | Testing of solid fuels - determination of hardgrove grindability index of hard coal 固体燃料试验.硬煤可磨指数的测定 |
| 7. | Solid mineral fuels - hard coal - determination of hardgrove grindability index 固体矿物燃料.硬煤. hardgrove可磨性指数的测定 |
| 8. | Methods for analysis and testing of coal and coke - determination of hardgrove grindability index of hard coal 煤和焦炭的分析和试验方法.第112部分:硬媒hardgrove可磨性指数的测定 |