Methods for the petrographic analysis of bituminous coal and anthracite. Part 3. Method of determining maceral group composition
NORM herausgegeben am 1.1.1995
Designation standards: GOST 9414.3-93
Note: UNGÜLTIG
Publication date standards: 1.1.1995
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST