NA 062

DIN Standards Committee Materials Testing

DIN 22020-4 [CURRENT] referenced in following documents:

Document number Edition Title
DIN 22020-5 2005-02 Investigations of the raw material in hard-coal-mining - Microscopical examinations of hard coal, coke and briquettes - Part 5: Reflectance measurements on vitrinites More 
VDG R 80 2008-09 Gießereikoks - Eigenschaften, Prüfung, Transport und Lagerung More