NA 005
DIN Standards Committee Building and Civil Engineering
Standards
[CURRENT]
DIN 22020-4
DIN 22020-4
Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 4: Microlithotype analysis on particulate blocks
Title (German)
Rohstoffuntersuchungen im Steinkohlenbergbau - Mikroskopische Untersuchungen an Steinkohle, Koks und Briketts - Teil 4: Mikrolithotypenanalyse an Körnerschliffen