EP-4628235-A4 - ROLLING CUTTER DEVICE FOR ROLLING GROOVING OF CYLINDRICAL BATTERY
EP4628235A4EP 4628235 A4EP4628235 A4EP 4628235A4EP-4628235-A4
Inventors
- YAN WENFEI
- CHEN HUAN
- LIU MI
- SONG PENGYUAN
Assignees
- EVE ENERGY CO LTD
Dates
- Publication Date
- 20260506
- Application Date
- 20240820
- Priority Date
- 20230831