
Methods for the petrographic analysis of coals. Method of determining maceral group composition.
NORMA vydaná dňa 30.11.2009
Designation standards: BS ISO 7404-3:2009
Note: NEPLATNÁ
Publication date standards: 30.11.2009
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategória: Technické normy BS