loading preview...
summary
Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 2: Preparation of polished surface from lump material and particulate blocks. (Rohstoffuntersuchungen im Steinkohlenbergbau - Mikroskopische Untersuchungen an Steinkohle, Koks und Briketts - Teil 2: Herstellung von Körnerschliffen und Stückschliffen.)
Details
Publisher
DIN
File size
84.15 KB
Pages
4
Format
PDF
Publication date
1998-08-01