Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346003 | Solution composition for steel sheet surface treatment, zinc-based plated steel sheet surface-treated with same, and manufacturing method therefor | Dae-Chul Bae, Dong-Yun Kim, Chang Hyun Park | 2022-05-31 |