Huixian YANG

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Valve clamping device
- Patent number 11,602,432
- Issue date Mar 14, 2023
- SHANGHAI HANYU MEDICAL TECHNOLOGY CO., LTD
- Yufeng Dai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
VALVE CLAMPING DEVICE
- Publication number 20210169650
- Publication date Jun 10, 2021
- SHANGHAI HANYU MEDICAL TECHNOLOGY CO., LTD
- Yufeng DAI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE