Krom's Dry Ore Concentrator.
| Autor: | KROM, S. R. |
|---|---|
| Zdroj: | American Journal of Mining, Engineering, Geology, Mineralogy, Metallurgy, Chemistry, Etc; Oct 1868, Vol. 6 Issue 16, p250-250, 1/9p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
|
| Autor: | KROM, S. R. |
|---|---|
| Zdroj: | American Journal of Mining, Engineering, Geology, Mineralogy, Metallurgy, Chemistry, Etc; Oct 1868, Vol. 6 Issue 16, p250-250, 1/9p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
|