
Methods for the petrographic analysis of coals. Part 5. Method of determining microscopically the reflectance of vitrinite
NORM herausgegeben am 1.1.2015
Designation standards: GOST R 55659-2013
Publication date standards: 1.1.2015
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST