Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325538 | Smelting furnace for direct obtaining of copper from ore concentrates/and copper ores | Wlodzimierz Wozniczko, Adam Lukasik, Jozef Marczynski, Witold Kowal, Edward Plaskacewicz +1 more | 1982-04-20 |