EP-4617385-A4 - DEVICE FOR DETERMINING ENERGIZED STATE OF ALTERNATING CURRENT ARC ELECTRIC FURNACE, OPERATION METHOD FOR ALTERNATING CURRENT ARC ELECTRIC FURNACE, AND ALTERNATING CURRENT ARC ELECTRIC FURNACE
EP4617385A4EP 4617385 A4EP4617385 A4EP 4617385A4EP-4617385-A4
Inventors
- ODA NOBUHIKO
Assignees
- JFE STEEL CORP
Dates
- Publication Date
- 20260506
- Application Date
- 20230814
- Priority Date
- 20221227