Hard coals. Petrographic method for the determination of degree of preparation
NORM herausgegeben am 1.1.1974
Designation standards: GOST 18384-73
Publication date standards: 1.1.1974
The number of pages: 43
Approximate weight : 129 g (0.28 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 8.88