Brown coals, hard coals, anthracite and combustible shales. Method for sampling of seam samples
STANDARD published on 1.1.1977
Designation standards: GOST 9815-75
Note: WITHDRAWN
Publication date standards: 1.1.1977
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 12.85
Amd. 6.90
Amd. 5.92