EP-4434914-A4 - SEALING STRUCTURE FOR PACKAGING BOX, PRODUCTION PROCESS FOR SEALING STRUCTURE, AND PACKAGING BOX
EP4434914A4EP 4434914 A4EP4434914 A4EP 4434914A4EP-4434914-A4
Inventors
- Bi Hansen
Assignees
- HANSEN HENGYE BEIJING COMMERCIAL CO LTD
Dates
- Publication Date
- 20260506
- Application Date
- 20221102
- Priority Date
- 20211115