Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364771 | Product for the desulphurization of cast irons and steels | Jean Cordier, Michel Demange | 1982-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364771 | Product for the desulphurization of cast irons and steels | Jean Cordier, Michel Demange | 1982-12-21 |