EP-4640883-A4 - COLD-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
EP4640883A4EP 4640883 A4EP4640883 A4EP 4640883A4EP-4640883-A4
Inventors
- KIM SANG-HYUN
- IM YOUNG-ROC
- SEO CHANG-HYO
- JUNG KI-TAEK
Assignees
- POSCO CO LTD
Dates
- Publication Date
- 20260506
- Application Date
- 20231214
- Priority Date
- 20221221