Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318779 | Method of manufacture of blast furnace cokes containing substantial amounts of low grade coals | Michio Tsuyuguchi, Keiji Kubo | 1982-03-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318779 | Method of manufacture of blast furnace cokes containing substantial amounts of low grade coals | Michio Tsuyuguchi, Keiji Kubo | 1982-03-09 |