
Brown coals, hard coals, anthracites, combustible shales and briquettes. Method for the preparation of common samples
NORMA vydaná dňa 1.4.2021
Designation standards: GOST R 59257-2020
Publication date standards: 1.4.2021
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST