Application of water jet assisted drag bit and pick cutter for the cutting of coal measure rocks - final technical report
- Författare
- David Ropchan
- (David Ropchan, Fun-Den Wang, John Wolgamott)
- Språk
- Engelska
| Förlag | År | Ort | Om boken | ISBN |
|---|---|---|---|---|
| Colo. school of mines | 1980 | USA, Golden, Colo | 84 sidor. |