Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327068 | Method and the reuse of sewage waters of the combined urea-ammonia installations | Umberto Zardi | 1982-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327068 | Method and the reuse of sewage waters of the combined urea-ammonia installations | Umberto Zardi | 1982-04-27 |