DIN 23006-5:2012 Preparation of hard coal - Assessment of preparation equipment and processes - Part 5: Size reduction and dissociation, involuntary breakage
2012DIN 23006-5:2012 Preparation of hard coal - Assessment of preparation equipment and processes - Part 5: Size reduction and dissociation, involuntary breakage
2005DIN 23006-5:2005 Preparation of hard coal - Assessment of preparation equipment and processes - Part 5: Size reduction and dissociation