EP-4620370-A4 - ROLLER BRUSH AND CLEANING DEVICE
EP4620370A4EP 4620370 A4EP4620370 A4EP 4620370A4EP-4620370-A4
Inventors
- LI JUNPING
- SUN PENG
- ZHANG GUORUI
Assignees
- SHENZHEN CHENBEI TECH CO LTD
Dates
- Publication Date
- 20260506
- Application Date
- 20240820
- Priority Date
- 20230922