1.1 This standard covers the classification of coals by rank, that is, according to their degree of metamorphism, or progressive alteration, in the natural series from lignite to anthracite.
Product Details
- Published:
- 05/15/2015
- Number of Pages:
- 7
- File Size:
- 1 file , 120 KB
- Redline File Size:
- 2 files , 230 KB
