Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436562 | Basic bonded fluxes for submerged arc welding having an excellent removability of slag at a narrow groove | Yukio Hirai | 1984-03-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436562 | Basic bonded fluxes for submerged arc welding having an excellent removability of slag at a narrow groove | Yukio Hirai | 1984-03-13 |