NA 062
DIN Standards Committee Materials Testing
Standards
[Withdrawn]
DIN 22021
DIN 22021
Investigations of the raw material in hard-coal-mining; microscopical examinations of rocks
Title (German)
Rohstoffuntersuchungen im Steinkohlenbergbau; Unterteilung der Nebengesteine aufgrund mikroskopischer Untersuchungen zur Kennzeichnung technologischer Eigenschaften
Document: references other documents
Document: referenced in other documents
Responsible national committee
NA 062 BR - Board of DIN Standards Committee for Materials Testing