
Tracked Changes. Coal. Methods for petrographic analysis. Method of preparing coal samples.
STANDARD published on 5.11.2025
Designation standards: BS ISO 7404-2:2025-TC
Publication date standards: 5.11.2025
The number of pages: 47
Approximate weight : 141 g (0.31 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 39731 4 Status: Definitive