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| Number | Title | Issue Date |
| 6669895 | Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation A furnace system for recovering a non-ferrous metal from a charge of material containing the metal. The furnace system has a furnace chamber having walls defining a refractory chamber, the refractory chamber receiving the charge of material and the metal ... | 12/30/2003 |
