Petrographic analysis of bituminous coal and anthracite. Method of determining microscopically the reflectance of vitrinite.
NORMA vydaná dňa 15.4.1995
Designation standards: BS 6127-5:1995
Note: NEPLATNÁ
Publication date standards: 15.4.1995
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategória: Technické normy BS