Methods for the petrographic analysis of bituminous coal and anthracite - Part 5: Method of determining microscopically the reflectance of vitrinite
NORM herausgegeben am 1.1.1998
Designation standards: ČSN ISO 7404-5
Classification mark: 441345
Catalog number: 26597
Note: UNGÜLTIG
Publication date standards: 1.1.1998
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN