EP-4636126-A4 - SURFACE TREATMENT SOLUTION COMPOSITION FOR PLATED STEEL SHEET, PLATED STEEL SHEET SURFACE-TREATED USING SAME AND METHOD FOR MANUFACTURING THEREOF
EP4636126A4EP 4636126 A4EP4636126 A4EP 4636126A4EP-4636126-A4
Inventors
- CHOI CHANG-HOON
- PARK IL-CHOUN
- KIM JONG-KOOK
Assignees
- POSCO CO LTD
Dates
- Publication Date
- 20260506
- Application Date
- 20231128
- Priority Date
- 20221212