EP-4520791-A4 - SKIN WITH PROTRUSIONS ON SURFACE
EP4520791A4EP 4520791 A4EP4520791 A4EP 4520791A4EP-4520791-A4
Inventors
- WANG LIYONG
- SHI JIE
- SUN JIE
- GU JING
- WEI JING
Assignees
- YANFENG INTERNATIONAL AUTOMOTIVE TECH CO LTD
Dates
- Publication Date
- 20260506
- Application Date
- 20221227
- Priority Date
- 20220506