Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830727 | Composite probe for measuring the concentration of an impurity element in molten iron | Nobuo Hamada, Toshio Nagatsuka | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830727 | Composite probe for measuring the concentration of an impurity element in molten iron | Nobuo Hamada, Toshio Nagatsuka | 1989-05-16 |