Designation: D409/D409M − 16Standard Test Method forGrindability of Coal by the Hardgrove-Machine Method1This standa...
Designation: D409/D409M − 24Standard Test Method forGrindability of Coal by the Hardgrove-Machine Method1This standa...
Обозначение D409/D409M-16СТАНДАРТНЫЙ МЕТОД ОПРЕДЕЛЕНИЯ РАЗМОЛОСПОСОБНОС...

