
Investigations of the raw material in hard-coal-mining; treatment of exploratory drillings.
NORMA vydána dne 1.11.1993
Designation standards: DIN 22011:1993-11
Publication date standards: 1.11.1993
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Rohstoffuntersuchungen im Steinkohlenbergbau; Bearbeitung von Untersuchungsbohrungen.