
Methods for the petrographic analysis of coals. Method of determining microscopically the reflectance of vitrinite.
NORMA vydána dne 30.11.2009
Designation standards: BS ISO 7404-5:2009
Note: NEPLATNÁ
Publication date standards: 30.11.2009
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: British technical standard
Kategorie: Technické normy BS