硬煤的开采

This class includes: - mining of hard coal: underground or surface mining, including mining through liquefaction methods - cleaning, sizing, grading, pulverizing, compressing etc. of coal to classify, improve quality or facilitate transport or storage This class also includes: - recovery of hard coal from culm banks

This class excludes: - lignite mining, see 0520 - peat digging and agglomeration of peat, see 0892 - test drilling for coal mining, see 0990 - support activities for hard coal mining, see 0990 - coke ovens producing solid fuels, see 1910 - manufacture of hard coal briquettes, see 1920 - work performed to develop or prepare properties for coal mining, see 4312