
Hard coal and coke. Mechanical sampling. Part 4. Coal. Preparation of test samples
STANDARD published on 1.4.2021
Designation standards: GOST ISO 13909-4-2018
Publication date standards: 1.4.2021
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Russian technical standard
Category: Technical standards GOST