Utility Model Patent Certificate——An air feeder
Oct 30,2025
- Period:
- Dec 4,2018 - Dec 4,2030
- No.:
- CN 208178287 U
- Certification bodies:
- China State Intellectual Property Office
- Organization Phone:
- 010-62356655
- Agency website:
- https://www.cnipa.gov.cn/col/col16/index.html