... medium-hard mines and rocks in cement, chemical, electric power, metallurgy, building materials, refractories and other industrial ... medium-hard mines and rocks in cement, chemical, electric power, metallurgy, building materials, refractories and other ... 25180-300 250-4003×75176005770x1920x18604PGC-810800x100030012 2560-100 90-12575160005270x1970x19204PGC-10081000/1100x8003008 13 25100-140 ...